change convention: from allman to K&R. add: gravity component

restore: whole project
2026-03-07 22:11:16 +01:00 · 2026-03-05 15:11:09 +01:00
58 changed files with 1256 additions and 0 deletions
--- a/.vscode/c_cpp_properties.json
+++ b/.vscode/c_cpp_properties.json
@@ -0,0 +1,65 @@
+{
+    "configurations": [
+        {
+            "name": "Win32",
+            "includePath": [
+                "C:/raylib/raylib/src/**",
+                "${workspaceFolder}/**"
+            ],
+            "defines": [
+                "_DEBUG",
+                "UNICODE",
+                "_UNICODE",
+                "GRAPHICS_API_OPENGL_33",
+                "PLATFORM_DESKTOP"
+            ],
+            "compilerPath": "/usr/bin/gcc",
+            "cStandard": "c99",
+            "cppStandard": "c++14",
+            "intelliSenseMode": "gcc-x64"
+        },
+        {
+            "name": "Mac",
+            "includePath": [
+                "<path_to_raylib>/src/**",
+                "${workspaceFolder}/**"
+            ],
+            "defines": [
+                "_DEBUG",
+                "UNICODE",
+                "_UNICODE",
+                "GRAPHICS_API_OPENGL_33",
+                "PLATFORM_DESKTOP"
+            ],
+            "macFrameworkPath": [
+                "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks"
+            ],
+            "compilerPath": "/usr/bin/clang",
+            "cStandard": "c11",
+            "cppStandard": "c++14",
+            "intelliSenseMode": "clang-x64"
+        },
+        {
+            "name": "Linux",
+            "includePath": [
+                "/usr/include",
+                "${workspaceFolder}/src",
+                "${workspaceFolder}/src/**",
+                "${workspaceFolder}/**"
+            ],
+            "defines": [
+                "_DEBUG",
+                "UNICODE",
+                "_UNICODE",
+                "GRAPHICS_API_OPENGL_33",
+                "PLATFORM_DESKTOP"
+            ],
+            "compilerPath": "/usr/bin/clang",
+            "cStandard": "c11",
+            "cppStandard": "c++14",
+            "intelliSenseMode": "clang-x64"
+
+        }
+    ],
+    "version": 4
+}
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -0,0 +1,37 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Debug",
+      "type": "cppdbg",
+      "request": "launch",
+      "program": "${workspaceFolder}/build/pns",
+      "args": [],
+      "stopAtEntry": false,
+      "cwd": "${workspaceFolder}",
+      "environment": [],
+      "externalConsole": false,
+      "MIMode": "gdb",
+      "linux": {
+        "miDebuggerPath": "/usr/bin/gdb"
+      },
+      "preLaunchTask": "build debug"
+    },
+    {
+      "name": "Run",
+      "type": "cppdbg",
+      "request": "launch",
+      "program": "${workspaceFolder}/build/pns",
+      "args": [],
+      "stopAtEntry": false,
+      "cwd": "${workspaceFolder}",
+      "environment": [],
+      "externalConsole": false,
+      "MIMode": "gdb",
+      "linux": {
+        "miDebuggerPath": "/usr/bin/gdb"
+      },
+      "preLaunchTask": "build release"
+    }
+  ]
+}
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -0,0 +1,11 @@
+{
+	"files.exclude": {
+		"**/.git": true,
+		"**/.svn": true,
+		"**/.hg": true,
+		"**/CVS": true,
+		"**/.DS_Store": true,
+		"**/*.o": true,
+		"**/*.exe": true,
+	}
+}
--- a/.vscode/tasks.json
+++ b/.vscode/tasks.json
@@ -0,0 +1,35 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "build debug",
+            "type": "process",
+            "command": "make",
+            "args": [],
+            "group": {
+                "kind": "build",
+                "isDefault": false
+            },
+            "problemMatcher": [
+                "$gcc"
+            ]
+        },
+        {
+            "label": "build release",
+            "type": "process",
+            "command": "make",
+            "args": [],
+            "problemMatcher": [
+                "$gcc"
+            ]
+        },
+        {
+            "label": "clean",
+            "type": "process",
+            "command": "make",
+            "args": [
+                "clean"
+            ]
+        }
+    ]
+}
--- a/45
+++ b/45
@@ -0,0 +1,45 @@
+# Compiler
+CC = gcc
+
+# Build mode
+BUILD_MODE ?= RELEASE
+INCLUDE_DIRS := $(shell find src -type d)
+
+ifeq ($(BUILD_MODE),DEBUG)
+    CFLAGS = -Wall -Wextra -std=c11 $(addprefix -I,$(INCLUDE_DIRS)) -g -O0
+else
+    CFLAGS = -Wall -Wextra -std=c11 $(addprefix -I,$(INCLUDE_DIRS)) -O2
+endif
+
+# Linker flags
+LDFLAGS = -lraylib -lGL -lm -lpthread -ldl -lrt -lX11
+
+# Carpeta de build
+BUILD_DIR = build
+
+# Target final
+TARGET = $(BUILD_DIR)/pns
+
+# Fuentes y objetos
+SRC = $(shell find src -name "*.c")
+OBJ = $(patsubst src/%.c,$(BUILD_DIR)/%.o,$(SRC))
+
+# Phony targets
+.PHONY: all clean
+
+# Target por defecto
+all: $(TARGET)
+
+# Linking
+$(TARGET): $(OBJ)
+	$(CC) $(OBJ) -o $@ $(LDFLAGS)
+
+# Compilación de objetos
+# mkdir -p crea la carpeta automáticamente si no existe
+$(BUILD_DIR)/%.o: src/%.c
+	mkdir -p $(dir $@)
+	$(CC) $(CFLAGS) -c $< -o $@
+
+# Limpiar todo
+clean:
+	rm -rf $(BUILD_DIR)
--- a/Makefile.Android
+++ b/Makefile.Android
@@ -0,0 +1,300 @@
+#**************************************************************************************************
+#
+#   raylib makefile for Android project (APK building)
+#
+#   Copyright (c) 2017 Ramon Santamaria (@raysan5)
+#
+#   This software is provided "as-is", without any express or implied warranty. In no event
+#   will the authors be held liable for any damages arising from the use of this software.
+#
+#   Permission is granted to anyone to use this software for any purpose, including commercial
+#   applications, and to alter it and redistribute it freely, subject to the following restrictions:
+#
+#     1. The origin of this software must not be misrepresented; you must not claim that you
+#     wrote the original software. If you use this software in a product, an acknowledgment
+#     in the product documentation would be appreciated but is not required.
+#
+#     2. Altered source versions must be plainly marked as such, and must not be misrepresented
+#     as being the original software.
+#
+#     3. This notice may not be removed or altered from any source distribution.
+#
+#**************************************************************************************************
+
+# Define required raylib variables
+PLATFORM               ?= PLATFORM_ANDROID
+RAYLIB_PATH            ?= ..\..
+
+# Define Android architecture (armeabi-v7a, arm64-v8a, x86, x86-64) and API version
+ANDROID_ARCH           ?= ARM
+ANDROID_API_VERSION     = 21
+ifeq ($(ANDROID_ARCH),ARM)
+    ANDROID_ARCH_NAME   = armeabi-v7a
+endif
+ifeq ($(ANDROID_ARCH),ARM64)
+    ANDROID_ARCH_NAME   = arm64-v8a
+endif
+
+# Required path variables
+# NOTE: JAVA_HOME must be set to JDK
+JAVA_HOME              ?= C:/JavaJDK
+ANDROID_HOME            = C:/android-sdk
+ANDROID_TOOLCHAIN       = C:/android_toolchain_$(ANDROID_ARCH)_API$(ANDROID_API_VERSION)
+ANDROID_BUILD_TOOLS     = $(ANDROID_HOME)/build-tools/28.0.1
+ANDROID_PLATFORM_TOOLS  = $(ANDROID_HOME)/platform-tools
+
+# Android project configuration variables
+PROJECT_NAME           ?= punk_n_spray
+PROJECT_LIBRARY_NAME   ?= main
+PROJECT_BUILD_PATH     ?= android.$(PROJECT_NAME)
+PROJECT_RESOURCES_PATH ?= resources
+PROJECT_SOURCE_FILES   ?= raylib_game.c
+
+# Some source files are placed in directories, when compiling to some
+# output directory other than source, that directory must pre-exist.
+# Here we get a list of required folders that need to be created on
+# code output folder $(PROJECT_BUILD_PATH)\obj to avoid GCC errors.
+PROJECT_SOURCE_DIRS = $(sort $(dir $(PROJECT_SOURCE_FILES)))
+
+# Android app configuration variables
+APP_LABEL_NAME ?= rGame
+APP_COMPANY_NAME ?= raylib
+APP_PRODUCT_NAME ?= rgame
+APP_VERSION_CODE ?= 1
+APP_VERSION_NAME ?= 1.0
+APP_ICON_LDPI ?= $(RAYLIB_PATH)\logo\raylib_36x36.png
+APP_ICON_MDPI ?= $(RAYLIB_PATH)\logo\raylib_48x48.png
+APP_ICON_HDPI ?= $(RAYLIB_PATH)\logo\raylib_72x72.png
+APP_SCREEN_ORIENTATION ?= landscape
+APP_KEYSTORE_PASS ?= raylib
+
+# Library type used for raylib: STATIC (.a) or SHARED (.so/.dll)
+RAYLIB_LIBTYPE ?= STATIC
+
+# Library path for libraylib.a/libraylib.so
+RAYLIB_LIB_PATH = $(RAYLIB_PATH)\src
+
+# Shared libs must be added to APK if required
+# NOTE: Generated NativeLoader.java automatically load those libraries
+ifeq ($(RAYLIB_LIBTYPE),SHARED)
+    PROJECT_SHARED_LIBS = lib/$(ANDROID_ARCH_NAME)/libraylib.so
+endif
+
+# Compiler and archiver
+# NOTE: GCC is being deprecated in Android NDK r16
+ifeq ($(ANDROID_ARCH),ARM)
+    CC = $(ANDROID_TOOLCHAIN)/bin/arm-linux-androideabi-clang
+    AR = $(ANDROID_TOOLCHAIN)/bin/arm-linux-androideabi-ar
+endif
+ifeq ($(ANDROID_ARCH),ARM64)
+    CC = $(ANDROID_TOOLCHAIN)/bin/aarch64-linux-android-clang
+    AR = $(ANDROID_TOOLCHAIN)/bin/aarch64-linux-android-ar
+endif
+
+# Compiler flags for arquitecture
+ifeq ($(ANDROID_ARCH),ARM)
+    CFLAGS = -std=c99 -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16
+endif
+ifeq ($(ANDROID_ARCH),ARM64)
+    CFLAGS = -std=c99 -mfix-cortex-a53-835769
+endif
+# Compilation functions attributes options
+CFLAGS += -ffunction-sections -funwind-tables -fstack-protector-strong -fPIC
+# Compiler options for the linker
+CFLAGS += -Wall -Wa,--noexecstack -Wformat -Werror=format-security -no-canonical-prefixes
+# Preprocessor macro definitions
+CFLAGS += -DANDROID -DPLATFORM_ANDROID -D__ANDROID_API__=$(ANDROID_API_VERSION)
+
+# Paths containing required header files
+INCLUDE_PATHS = -I. -I$(RAYLIB_PATH)/src -I$(RAYLIB_PATH)/src/external/android/native_app_glue
+
+# Linker options
+LDFLAGS = -Wl,-soname,lib$(PROJECT_LIBRARY_NAME).so -Wl,--exclude-libs,libatomic.a
+LDFLAGS += -Wl,--build-id -Wl,--no-undefined -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now -Wl,--warn-shared-textrel -Wl,--fatal-warnings
+# Force linking of library module to define symbol
+LDFLAGS += -u ANativeActivity_onCreate
+# Library paths containing required libs
+LDFLAGS += -L. -L$(PROJECT_BUILD_PATH)/obj -L$(PROJECT_BUILD_PATH)/lib/$(ANDROID_ARCH_NAME) -L$(ANDROID_TOOLCHAIN)\sysroot\usr\lib
+
+# Define any libraries to link into executable
+# if you want to link libraries (libname.so or libname.a), use the -lname
+LDLIBS = -lm -lc -lraylib -llog -landroid -lEGL -lGLESv2 -lOpenSLES -ldl
+
+# Generate target objects list from PROJECT_SOURCE_FILES
+OBJS = $(patsubst %.c, $(PROJECT_BUILD_PATH)/obj/%.o, $(PROJECT_SOURCE_FILES))
+
+# Android APK building process... some steps required...
+# NOTE: typing 'make' will invoke the default target entry called 'all',
+all: create_temp_project_dirs \
+     copy_project_required_libs \
+     copy_project_resources \
+     generate_loader_script \
+     generate_android_manifest \
+     generate_apk_keystore \
+     config_project_package \
+     compile_project_code \
+     compile_project_class \
+     compile_project_class_dex \
+     create_project_apk_package \
+     sign_project_apk_package \
+     zipalign_project_apk_package
+
+# Create required temp directories for APK building
+create_temp_project_dirs:
+	if not exist $(PROJECT_BUILD_PATH) mkdir $(PROJECT_BUILD_PATH)
+	if not exist $(PROJECT_BUILD_PATH)\obj mkdir $(PROJECT_BUILD_PATH)\obj
+	if not exist $(PROJECT_BUILD_PATH)\src mkdir $(PROJECT_BUILD_PATH)\src
+	if not exist $(PROJECT_BUILD_PATH)\src\com mkdir $(PROJECT_BUILD_PATH)\src\com
+	if not exist $(PROJECT_BUILD_PATH)\src\com\$(APP_COMPANY_NAME) mkdir $(PROJECT_BUILD_PATH)\src\com\$(APP_COMPANY_NAME)
+	if not exist $(PROJECT_BUILD_PATH)\src\com\$(APP_COMPANY_NAME)\$(APP_PRODUCT_NAME) mkdir $(PROJECT_BUILD_PATH)\src\com\$(APP_COMPANY_NAME)\$(APP_PRODUCT_NAME)
+	if not exist $(PROJECT_BUILD_PATH)\lib mkdir $(PROJECT_BUILD_PATH)\lib
+	if not exist $(PROJECT_BUILD_PATH)\lib\$(ANDROID_ARCH_NAME) mkdir $(PROJECT_BUILD_PATH)\lib\$(ANDROID_ARCH_NAME)
+	if not exist $(PROJECT_BUILD_PATH)\bin mkdir $(PROJECT_BUILD_PATH)\bin
+	if not exist $(PROJECT_BUILD_PATH)\res mkdir $(PROJECT_BUILD_PATH)\res
+	if not exist $(PROJECT_BUILD_PATH)\res\drawable-ldpi mkdir $(PROJECT_BUILD_PATH)\res\drawable-ldpi
+	if not exist $(PROJECT_BUILD_PATH)\res\drawable-mdpi mkdir $(PROJECT_BUILD_PATH)\res\drawable-mdpi
+	if not exist $(PROJECT_BUILD_PATH)\res\drawable-hdpi mkdir $(PROJECT_BUILD_PATH)\res\drawable-hdpi
+	if not exist $(PROJECT_BUILD_PATH)\res\values mkdir $(PROJECT_BUILD_PATH)\res\values
+	if not exist $(PROJECT_BUILD_PATH)\assets mkdir $(PROJECT_BUILD_PATH)\assets
+	if not exist $(PROJECT_BUILD_PATH)\assets\$(PROJECT_RESOURCES_PATH) mkdir $(PROJECT_BUILD_PATH)\assets\$(PROJECT_RESOURCES_PATH)
+	if not exist $(PROJECT_BUILD_PATH)\obj\screens mkdir $(PROJECT_BUILD_PATH)\obj\screens
+	$(foreach dir, $(PROJECT_SOURCE_DIRS), $(call create_dir, $(dir)))
+
+define create_dir
+    if not exist $(PROJECT_BUILD_PATH)\obj\$(1) mkdir $(PROJECT_BUILD_PATH)\obj\$(1)
+endef
+
+# Copy required shared libs for integration into APK
+# NOTE: If using shared libs they are loaded by generated NativeLoader.java
+copy_project_required_libs:
+ifeq ($(RAYLIB_LIBTYPE),SHARED)
+	copy /Y $(RAYLIB_LIB_PATH)\libraylib.so $(PROJECT_BUILD_PATH)\lib\$(ANDROID_ARCH_NAME)\libraylib.so
+endif
+ifeq ($(RAYLIB_LIBTYPE),STATIC)
+	copy /Y $(RAYLIB_LIB_PATH)\libraylib.a $(PROJECT_BUILD_PATH)\lib\$(ANDROID_ARCH_NAME)\libraylib.a
+endif
+
+# Copy project required resources: strings.xml, icon.png, assets
+# NOTE: Required strings.xml is generated and game resources are copied to assets folder
+# TODO: Review xcopy usage, it can not be found in some systems!
+copy_project_resources:
+	copy $(APP_ICON_LDPI) $(PROJECT_BUILD_PATH)\res\drawable-ldpi\icon.png /Y
+	copy $(APP_ICON_MDPI) $(PROJECT_BUILD_PATH)\res\drawable-mdpi\icon.png /Y
+	copy $(APP_ICON_HDPI) $(PROJECT_BUILD_PATH)\res\drawable-hdpi\icon.png /Y
+	@echo ^<?xml version="1.0" encoding="utf-8"^?^> > $(PROJECT_BUILD_PATH)/res/values/strings.xml
+	@echo ^<resources^>^<string name="app_name"^>$(APP_LABEL_NAME)^</string^>^</resources^> >> $(PROJECT_BUILD_PATH)/res/values/strings.xml
+	if exist $(PROJECT_RESOURCES_PATH) C:\Windows\System32\xcopy $(PROJECT_RESOURCES_PATH) $(PROJECT_BUILD_PATH)\assets\$(PROJECT_RESOURCES_PATH) /Y /E /F
+
+# Generate NativeLoader.java to load required shared libraries
+# NOTE: Probably not the bet way to generate this file... but it works.
+generate_loader_script:
+	@echo package com.$(APP_COMPANY_NAME).$(APP_PRODUCT_NAME); > $(PROJECT_BUILD_PATH)/src/com/$(APP_COMPANY_NAME)/$(APP_PRODUCT_NAME)/NativeLoader.java
+	@echo. >> $(PROJECT_BUILD_PATH)/src/com/$(APP_COMPANY_NAME)/$(APP_PRODUCT_NAME)/NativeLoader.java
+	@echo public class NativeLoader extends android.app.NativeActivity { >> $(PROJECT_BUILD_PATH)/src/com/$(APP_COMPANY_NAME)/$(APP_PRODUCT_NAME)/NativeLoader.java
+	@echo     static { >> $(PROJECT_BUILD_PATH)/src/com/$(APP_COMPANY_NAME)/$(APP_PRODUCT_NAME)/NativeLoader.java
+ifeq ($(RAYLIB_LIBTYPE),SHARED)
+	@echo         System.loadLibrary("raylib"); >> $(PROJECT_BUILD_PATH)/src/com/$(APP_COMPANY_NAME)/$(APP_PRODUCT_NAME)/NativeLoader.java
+endif
+	@echo         System.loadLibrary("$(PROJECT_LIBRARY_NAME)"); >> $(PROJECT_BUILD_PATH)/src/com/$(APP_COMPANY_NAME)/$(APP_PRODUCT_NAME)/NativeLoader.java
+	@echo     } >> $(PROJECT_BUILD_PATH)/src/com/$(APP_COMPANY_NAME)/$(APP_PRODUCT_NAME)/NativeLoader.java
+	@echo } >> $(PROJECT_BUILD_PATH)/src/com/$(APP_COMPANY_NAME)/$(APP_PRODUCT_NAME)/NativeLoader.java
+
+# Generate AndroidManifest.xml with all the required options
+# NOTE: Probably not the bet way to generate this file... but it works.
+generate_android_manifest:
+	@echo ^<?xml version="1.0" encoding="utf-8"^?^> > $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+	@echo ^<manifest xmlns:android="http://schemas.android.com/apk/res/android" >> $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+	@echo         package="com.$(APP_COMPANY_NAME).$(APP_PRODUCT_NAME)"  >> $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+	@echo         android:versionCode="$(APP_VERSION_CODE)" android:versionName="$(APP_VERSION_NAME)" ^> >> $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+	@echo     ^<uses-sdk android:minSdkVersion="$(ANDROID_API_VERSION)" /^> >> $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+	@echo     ^<uses-feature android:glEsVersion="0x00020000" android:required="true" /^> >> $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+	@echo     ^<application android:allowBackup="false" android:label="@string/app_name" android:icon="@drawable/icon" ^> >> $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+	@echo         ^<activity android:name="com.$(APP_COMPANY_NAME).$(APP_PRODUCT_NAME).NativeLoader" >> $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+	@echo             android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >> $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+	@echo             android:configChanges="orientation|keyboardHidden|screenSize" >> $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+	@echo             android:screenOrientation="$(APP_SCREEN_ORIENTATION)" android:launchMode="singleTask" >> $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+	@echo             android:clearTaskOnLaunch="true"^> >> $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+	@echo             ^<meta-data android:name="android.app.lib_name" android:value="$(PROJECT_LIBRARY_NAME)" /^> >> $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+	@echo             ^<intent-filter^> >> $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+	@echo                 ^<action android:name="android.intent.action.MAIN" /^> >> $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+	@echo                 ^<category android:name="android.intent.category.LAUNCHER" /^> >> $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+	@echo             ^</intent-filter^> >> $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+	@echo         ^</activity^> >> $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+	@echo     ^</application^> >> $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+	@echo ^</manifest^> >> $(PROJECT_BUILD_PATH)/AndroidManifest.xml
+
+# Generate storekey for APK signing: $(PROJECT_NAME).keystore
+# NOTE: Configure here your Distinguished Names (-dname) if required!
+generate_apk_keystore:
+	if not exist $(PROJECT_BUILD_PATH)/$(PROJECT_NAME).keystore $(JAVA_HOME)/bin/keytool -genkeypair -validity 1000 -dname "CN=$(APP_COMPANY_NAME),O=Android,C=ES" -keystore $(PROJECT_BUILD_PATH)/$(PROJECT_NAME).keystore -storepass $(APP_KEYSTORE_PASS) -keypass $(APP_KEYSTORE_PASS) -alias $(PROJECT_NAME)Key -keyalg RSA
+
+# Config project package and resource using AndroidManifest.xml and res/values/strings.xml
+# NOTE: Generates resources file: src/com/$(APP_COMPANY_NAME)/$(APP_PRODUCT_NAME)/R.java
+config_project_package:
+	$(ANDROID_BUILD_TOOLS)/aapt package -f -m -S $(PROJECT_BUILD_PATH)/res -J $(PROJECT_BUILD_PATH)/src -M $(PROJECT_BUILD_PATH)/AndroidManifest.xml -I $(ANDROID_HOME)/platforms/android-$(ANDROID_API_VERSION)/android.jar
+
+# Compile native_app_glue code as static library: obj/libnative_app_glue.a
+compile_native_app_glue:
+	$(CC) -c $(RAYLIB_PATH)/src/external/android/native_app_glue/android_native_app_glue.c -o $(PROJECT_BUILD_PATH)/obj/native_app_glue.o $(CFLAGS)
+	$(AR) rcs $(PROJECT_BUILD_PATH)/obj/libnative_app_glue.a $(PROJECT_BUILD_PATH)/obj/native_app_glue.o
+
+# Compile project code into a shared library: lib/lib$(PROJECT_LIBRARY_NAME).so
+compile_project_code: $(OBJS)
+	$(CC) -o $(PROJECT_BUILD_PATH)/lib/$(ANDROID_ARCH_NAME)/lib$(PROJECT_LIBRARY_NAME).so $(OBJS) -shared $(INCLUDE_PATHS) $(LDFLAGS) $(LDLIBS)
+
+# Compile all .c files required into object (.o) files
+# NOTE: Those files will be linked into a shared library
+$(PROJECT_BUILD_PATH)/obj/%.o:%.c
+	$(CC) -c $^ -o $@ $(INCLUDE_PATHS) $(CFLAGS) --sysroot=$(ANDROID_TOOLCHAIN)/sysroot
+
+# Compile project .java code into .class (Java bytecode)
+compile_project_class:
+	$(JAVA_HOME)/bin/javac -verbose -source 1.7 -target 1.7 -d $(PROJECT_BUILD_PATH)/obj -bootclasspath $(JAVA_HOME)/jre/lib/rt.jar -classpath $(ANDROID_HOME)/platforms/android-$(ANDROID_API_VERSION)/android.jar;$(PROJECT_BUILD_PATH)/obj -sourcepath $(PROJECT_BUILD_PATH)/src $(PROJECT_BUILD_PATH)/src/com/$(APP_COMPANY_NAME)/$(APP_PRODUCT_NAME)/R.java $(PROJECT_BUILD_PATH)/src/com/$(APP_COMPANY_NAME)/$(APP_PRODUCT_NAME)/NativeLoader.java
+
+# Compile .class files into Dalvik executable bytecode (.dex)
+# NOTE: Since Android 5.0, Dalvik interpreter (JIT) has been replaced by ART (AOT)
+compile_project_class_dex:
+	$(ANDROID_BUILD_TOOLS)/dx --verbose --dex --output=$(PROJECT_BUILD_PATH)/bin/classes.dex $(PROJECT_BUILD_PATH)/obj
+
+# Create Android APK package: bin/$(PROJECT_NAME).unsigned.apk
+# NOTE: Requires compiled classes.dex and lib$(PROJECT_LIBRARY_NAME).so
+# NOTE: Use -A resources to define additional directory in which to find raw asset files
+create_project_apk_package:
+	$(ANDROID_BUILD_TOOLS)/aapt package -f -M $(PROJECT_BUILD_PATH)/AndroidManifest.xml -S $(PROJECT_BUILD_PATH)/res -A $(PROJECT_BUILD_PATH)/assets -I $(ANDROID_HOME)/platforms/android-$(ANDROID_API_VERSION)/android.jar -F $(PROJECT_BUILD_PATH)/bin/$(PROJECT_NAME).unsigned.apk $(PROJECT_BUILD_PATH)/bin
+	cd $(PROJECT_BUILD_PATH) && $(ANDROID_BUILD_TOOLS)/aapt add bin/$(PROJECT_NAME).unsigned.apk lib/$(ANDROID_ARCH_NAME)/lib$(PROJECT_LIBRARY_NAME).so $(PROJECT_SHARED_LIBS)
+
+# Create signed APK package using generated Key: bin/$(PROJECT_NAME).signed.apk
+sign_project_apk_package:
+	$(JAVA_HOME)/bin/jarsigner -keystore $(PROJECT_BUILD_PATH)/$(PROJECT_NAME).keystore -storepass $(APP_KEYSTORE_PASS) -keypass $(APP_KEYSTORE_PASS) -signedjar $(PROJECT_BUILD_PATH)/bin/$(PROJECT_NAME).signed.apk $(PROJECT_BUILD_PATH)/bin/$(PROJECT_NAME).unsigned.apk $(PROJECT_NAME)Key
+
+# Create zip-aligned APK package: $(PROJECT_NAME).apk
+zipalign_project_apk_package:
+	$(ANDROID_BUILD_TOOLS)/zipalign -f 4 $(PROJECT_BUILD_PATH)/bin/$(PROJECT_NAME).signed.apk $(PROJECT_NAME).apk
+
+# Install $(PROJECT_NAME).apk to default emulator/device
+# NOTE: Use -e (emulator) or -d (device) parameters if required
+install:
+	$(ANDROID_PLATFORM_TOOLS)/adb install --abi $(ANDROID_ARCH_NAME) -rds $(PROJECT_NAME).apk
+
+# Check supported ABI for the device (armeabi-v7a, arm64-v8a, x86, x86_64)
+check_device_abi:
+	$(ANDROID_PLATFORM_TOOLS)/adb shell getprop ro.product.cpu.abi
+
+# Monitorize output log coming from device, only raylib tag
+logcat:
+	$(ANDROID_PLATFORM_TOOLS)/adb logcat -c
+	$(ANDROID_PLATFORM_TOOLS)/adb logcat raylib:V *:S
+
+# Install and monitorize $(PROJECT_NAME).apk to default emulator/device
+deploy:
+	$(ANDROID_PLATFORM_TOOLS)/adb install -r $(PROJECT_NAME).apk
+	$(ANDROID_PLATFORM_TOOLS)/adb logcat -c
+	$(ANDROID_PLATFORM_TOOLS)/adb logcat raylib:V *:S
+
+#$(ANDROID_PLATFORM_TOOLS)/adb logcat *:W
+
+# Clean everything
+clean:
+	del $(PROJECT_BUILD_PATH)\ */f /s /q
+	rmdir $(PROJECT_BUILD_PATH) /s /q
+	@echo Cleaning done
--- a/build/pns
+++ b/build/pns
--- a/main.code-workspace
+++ b/main.code-workspace
@@ -0,0 +1,16 @@
+{
+	"folders": [
+		{
+			"path": "."
+		}
+	],
+	"settings": {
+		"files.associations": {
+			"raylib.h": "c",
+			"math.h": "c",
+			"blocks.h": "c",
+			"stdio.h": "c",
+			"*.m": "c"
+		}
+	}
+}
--- a/resources/fonts/CyberpunkRegular.ttf
+++ b/resources/fonts/CyberpunkRegular.ttf
--- a/resources/fonts/CyberpunkTitles.ttf
+++ b/resources/fonts/CyberpunkTitles.ttf
--- a/resources/images/Miarma.png
+++ b/resources/images/Miarma.png
--- a/resources/images/PunkNSpray.png
+++ b/resources/images/PunkNSpray.png
--- a/resources/textures/crouch_idle_48x48.png
+++ b/resources/textures/crouch_idle_48x48.png
--- a/resources/textures/crouch_walk_48x48.png
+++ b/resources/textures/crouch_walk_48x48.png
--- a/resources/textures/cute_backgrounds.png
+++ b/resources/textures/cute_backgrounds.png
--- a/resources/textures/cute_characters.png
+++ b/resources/textures/cute_characters.png
--- a/resources/textures/cute_tiles.png
+++ b/resources/textures/cute_tiles.png
--- a/resources/textures/idle_48x48.png
+++ b/resources/textures/idle_48x48.png
--- a/resources/textures/jump_48x48.png
+++ b/resources/textures/jump_48x48.png
--- a/resources/textures/land_48x48.png
+++ b/resources/textures/land_48x48.png
--- a/resources/textures/run_48x48.png
+++ b/resources/textures/run_48x48.png
--- a/resources/textures/walk_48x48.png
+++ b/resources/textures/walk_48x48.png
--- a/src/components/collider.h
+++ b/src/components/collider.h
@@ -0,0 +1,18 @@
+#ifndef COLLIDER_H
+#define COLLIDER_H
+
+#include "raylib.h"
+#include "entity.h"
+
+typedef struct {
+    float width;
+    float height;
+    bool isTrigger;
+} Collider;
+
+typedef struct {
+    EntityId id;
+    Collider collider;
+} ColliderComponent;
+
+#endif
--- a/src/components/gravity.h
+++ b/src/components/gravity.h
@@ -0,0 +1,12 @@
+#ifndef GRAVITY_H
+#define GRAVITY_H
+
+#include "raylib.h"
+#include "entity.h"
+
+typedef struct {
+    EntityId id;
+    int a;
+} GravityComponent;
+
+#endif
--- a/src/components/input.h
+++ b/src/components/input.h
@@ -0,0 +1,16 @@
+#ifndef INPUT_H
+#define INPUT_H
+
+#include "raylib.h"
+#include "entity.h"
+
+typedef struct {
+    bool up, down, left, right;
+} Input;
+
+typedef struct {
+    EntityId id;
+    Input input;
+} InputComponent;
+
+#endif
--- a/src/components/movement.h
+++ b/src/components/movement.h
@@ -0,0 +1,12 @@
+#ifndef MOVEMENT_H
+#define MOVEMENT_H
+
+#include "raylib.h"
+#include <stdbool.h>
+
+typedef struct {
+    Vector2 direction;
+    bool running;
+} MovementIntent;
+
+#endif
--- a/src/components/position.h
+++ b/src/components/position.h
@@ -0,0 +1,12 @@
+#ifndef POSITION_H
+#define POSITION_H
+
+#include "raylib.h"
+#include "entity.h"
+
+typedef struct {
+    EntityId id;
+    Vector2 position;
+} PositionComponent;
+
+#endif
--- a/src/components/renderable.h
+++ b/src/components/renderable.h
@@ -0,0 +1,19 @@
+#ifndef RENDERABLE_H
+#define RENDERABLE_H
+
+#include "raylib.h"
+#include "entity.h"
+
+typedef struct {
+    Texture2D texture;
+    Rectangle source;
+    Vector2 origin;
+    float scale;
+} Renderable;
+
+typedef struct {
+    EntityId id;
+    Renderable renderable;
+} RenderableComponent;
+
+#endif
--- a/src/components/sprite.h
+++ b/src/components/sprite.h
@@ -0,0 +1,26 @@
+#ifndef SPRITE_H
+#define SPRITE_H
+
+#include "raylib.h"
+
+typedef struct {
+    Texture2D texture;
+    int frameCount;
+    int currentFrame;
+    float frameTime;
+    float elapsedTime;
+    Rectangle source;
+    float scale;
+    Vector2 origin;
+    float rotation;
+} Animation;
+
+typedef struct {
+    Animation *animations;
+    Animation *mirroredAnimations;
+    int animationCount;
+    int currentAnimation;
+    Animation *currentAnimationPtr;
+} SpriteComponent;
+
+#endif
--- a/src/components/velocity.h
+++ b/src/components/velocity.h
@@ -0,0 +1,12 @@
+#ifndef VELOCITY_H
+#define VELOCITY_H
+
+#include "raylib.h"
+#include "entity.h"
+
+typedef struct {
+    EntityId id;
+    Vector2 velocity;
+} VelocityComponent;
+
+#endif
--- a/src/core/game.c
+++ b/src/core/game.c
@@ -0,0 +1,99 @@
+#include "game.h"
+
+#define MAX_ENTITIES 100
+
+typedef struct {
+    Camera2D camera;
+    bool running;
+    int score;
+    int level;
+} GameState;
+
+static GameState game;
+
+int entityCount = 0;
+
+Entity *entities = NULL;
+InputComponent *inputs = NULL;
+PositionComponent *positions = NULL;
+VelocityComponent *velocities = NULL;
+MovementIntent *intents = NULL;
+SpriteComponent *sprites = NULL;
+
+Result InitGame(void) {
+    game.camera = (Camera2D){0};
+    game.running = true;
+    game.score = 0;
+
+    if (InitGameWindow() != RESULT_OK)
+        return RESULT_FAIL;
+
+    game.camera.target = (Vector2){0, 0};
+    game.camera.offset = (Vector2){400, 300};
+    game.camera.zoom = 1.0f;
+
+    SetTargetFPS(60);
+
+    int id = AddEntity();
+    InitPlayer(id, entities, positions, velocities, inputs,
+               sprites, WIDTH / 2, HEIGHT / 2);
+
+    return RESULT_OK;
+}
+
+int AddEntity(void) {
+    int id = entityCount;
+
+    entities = realloc(entities, sizeof(Entity) * (entityCount + 1));
+    inputs = realloc(inputs, sizeof(InputComponent) * (entityCount + 1));
+    positions = realloc(positions, sizeof(PositionComponent) * (entityCount + 1));
+    velocities = realloc(velocities, sizeof(VelocityComponent) * (entityCount + 1));
+    intents = realloc(intents, sizeof(MovementIntent) * (entityCount + 1));
+    sprites = realloc(sprites, sizeof(SpriteComponent) * (entityCount + 1));
+
+    entities[id].id = id;
+    entities[id].components = 0;
+
+    inputs[id].id = id;      inputs[id].input = (Input){0};
+    positions[id].id = id;   positions[id].position = (Vector2){0,0};
+    velocities[id].id = id;  velocities[id].velocity = (Vector2){0,0};
+    intents[id].direction = (Vector2){0,0}; intents[id].running = false;
+
+    entityCount++;
+    return id;
+}
+
+void UpdateGame(float dt) {
+    HandleWindowEvents();
+
+    InputSystemUpdate(entities, inputs, entityCount);
+    IntentSystemUpdate(entities, inputs, intents, entityCount);
+    MovementSystemUpdate(entities, positions, velocities, intents, entityCount, dt);
+    AnimationSystemUpdate(entities, sprites, intents, entityCount, dt);
+}
+
+void DrawGame(void) {
+    BeginDrawing();
+    ClearBackground(RAYWHITE);
+    RenderSystemDraw(entities, positions, sprites, entityCount);
+    EndDrawing();
+}
+
+void UnloadGame(void) {
+    for (int i = 0; i < entityCount; i++) {
+        if (entities[i].components & COMP_RENDERABLE) {
+            SpriteComponent *s = &sprites[i];
+            for (int a = 0; a < s->animationCount; a++)
+                UnloadTexture(s->animations[a].texture);
+                UnloadTexture(s->mirroredAnimations[i].texture);
+            free(s->animations);
+            free(s->mirroredAnimations);
+        }
+    }
+    free(entities);
+    free(inputs);
+    free(positions);
+    free(velocities);
+    free(intents);
+    free(sprites);
+}
--- a/src/core/game.h
+++ b/src/core/game.h
@@ -0,0 +1,28 @@
+#ifndef GAME_H
+#define GAME_H
+
+#include "raylib.h"
+
+#include <stdbool.h>
+
+#include "window.h"
+#include "result.h"
+#include "entity.h"
+#include "player.h"
+#include "input.h"
+#include "movement.h"
+#include "sprite.h"
+
+#include "input_system.h"
+#include "intent_system.h"
+#include "movement_system.h"
+#include "animation_system.h"
+#include "render_system.h"
+
+Result InitGame(void);
+int AddEntity(void);
+void UpdateGame(float dt);
+void DrawGame(void);
+void UnloadGame(void);
+
+#endif
--- a/src/core/result.h
+++ b/src/core/result.h
@@ -0,0 +1,12 @@
+#ifndef RESULT_H
+#define RESULT_H
+
+typedef enum {
+    RESULT_OK = 0,
+    RESULT_FAIL,
+    RESULT_INVALID_ARGUMENT,
+    RESULT_INIT_FAILED,
+    RESULT_NOT_FOUND
+} Result;
+
+#endif
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -0,0 +1,80 @@
+#include "window.h"
+
+const char *TITLE = "Punk n' Spray";
+const int WIDTH = 900;
+const int HEIGHT = 600;
+
+Result InitGameWindow(void) {
+    SetConfigFlags(FLAG_WINDOW_HIGHDPI);
+
+    InitWindow(WIDTH, HEIGHT, TITLE);
+
+    if (!IsWindowReady())
+        return RESULT_INIT_FAILED;
+
+    return RESULT_OK;
+}
+
+void HandleWindowEvents() {
+    if (IsKeyPressed(KEY_F11))
+    {
+        int display = GetCurrentMonitor();
+
+        if (IsWindowFullscreen())
+        {
+            SetWindowSize(WIDTH, HEIGHT);
+        }
+        else
+        {
+            SetWindowSize(GetMonitorWidth(display), GetMonitorHeight(display));
+        }
+
+        ToggleFullscreen();
+    }
+}
+
+void ShowSplashScreen(void) {
+    Image logoImg = LoadImage("resources/images/PunkNSpray.png"); 
+    Image miarmaImg = LoadImage("resources/images/Miarma.png"); 
+    ImageResize(&miarmaImg, 64, 64);
+
+    Texture2D logo = LoadTextureFromImage(logoImg);
+    Texture2D miarma = LoadTextureFromImage(miarmaImg);
+    UnloadImage(logoImg);
+    UnloadImage(miarmaImg);
+
+    Font font = LoadFontEx("resources/fonts/CyberpunkRegular.ttf", 24, NULL, 0);
+
+    float timer = 0.0f;
+    const float duration = 3.0f;
+
+    while (timer < duration && !WindowShouldClose()) {
+        BeginDrawing();
+            ClearBackground(WHITE);
+
+            // logo juego centrado
+            int logoX = (WIDTH - logo.width) / 2;
+            int logoY = (HEIGHT - logo.height) / 2 - 40;
+            DrawTexture(logo, logoX, logoY, WHITE);
+
+            // texto centrado encima del logo
+            const char *text = "Desarrollado por";
+            int textWidth = MeasureText(text, 24);
+            int textX = (WIDTH - textWidth) / 2 - 20;
+            int textY = logoY + logo.height - 30;
+            DrawTextEx(font, text, (Vector2){(float)textX, (float)textY}, 
+                        (float)font.baseSize, 2, BLACK);
+
+            // logo miarma centrado debajo del texto
+            int miarmaX = (WIDTH - miarma.width) / 2;
+            int miarmaY = textY + 20;
+            DrawTexture(miarma, miarmaX, miarmaY, WHITE);
+
+            timer += GetFrameTime();
+        EndDrawing();
+    }
+
+    UnloadTexture(logo);
+    UnloadTexture(miarma);
+    UnloadFont(font);
+}
--- a/src/core/window.h
+++ b/src/core/window.h
@@ -0,0 +1,16 @@
+#ifndef WINDOW_H
+#define WINDOW_H
+
+#include "result.h"
+#include "raylib.h"
+#include <stdlib.h>
+
+extern const char *TITLE;
+extern const int WIDTH;
+extern const int HEIGHT;
+
+Result InitGameWindow(void);
+void HandleWindowEvents(void);
+void ShowSplashScreen(void);
+
+#endif
--- a/src/entities/entity.c
+++ b/src/entities/entity.c
--- a/src/entities/entity.h
+++ b/src/entities/entity.h
@@ -0,0 +1,19 @@
+#ifndef ENTITY_H
+#define ENTITY_H
+
+#include <stdint.h>
+
+typedef int EntityId;
+
+typedef struct {
+    EntityId id;
+    uint32_t components;
+} Entity;
+
+#define COMP_POSITION   0x01
+#define COMP_VELOCITY   0x02
+#define COMP_INPUT      0x03
+#define COMP_COLLIDER   0x04
+#define COMP_RENDERABLE 0x05
+
+#endif
--- a/src/entities/player.c
+++ b/src/entities/player.c
@@ -0,0 +1,54 @@
+#include "player.h"
+
+void InitPlayer(int id, Entity *entities, PositionComponent *positions, 
+                VelocityComponent *velocities, InputComponent *inputs, 
+                SpriteComponent *sprites, float x, float y)
+ {
+    Entity *player = &entities[id];
+
+    positions[id].position = (Vector2){x, y};
+    velocities[id].velocity = (Vector2){0,0};
+    inputs[id].input = (Input){0};
+
+    SpriteComponent *s = &sprites[id];
+    s->animationCount = 3;
+    s->currentAnimation = 0;
+    s->animations = malloc(sizeof(Animation) * s->animationCount);
+
+    // idle
+    s->animations[0].texture = LoadTexture("resources/textures/idle_48x48.png");
+    s->animations[0].frameCount = 10;
+    s->animations[0].currentFrame = 0;
+    s->animations[0].frameTime = 0.15f;
+    s->animations[0].elapsedTime = 0;
+    s->animations[0].source = (Rectangle){0, 0, s->animations[0].texture.width / s->animations[0].frameCount, s->animations[0].texture.height};
+    s->animations[0].origin = (Vector2){s->animations[0].source.width / 2, s->animations[0].source.height / 2};
+    s->animations[0].rotation = 0;
+    s->animations[0].scale = 1.0f;
+
+    // walk
+    s->animations[1].texture = LoadTexture("resources/textures/walk_48x48.png");
+    s->animations[1].frameCount = 8;
+    s->animations[1].currentFrame = 0;
+    s->animations[1].frameTime = 0.1f;
+    s->animations[1].elapsedTime = 0;
+    s->animations[1].source = (Rectangle){0, 0, s->animations[1].texture.width / s->animations[1].frameCount, s->animations[1].texture.height};
+    s->animations[1].origin = (Vector2){s->animations[1].source.width / 2, s->animations[1].source.height / 2};
+    s->animations[1].rotation = 0;
+    s->animations[1].scale = 1.0f;
+
+    // run
+    s->animations[2].texture = LoadTexture("resources/textures/run_48x48.png");
+    s->animations[2].frameCount = 8;
+    s->animations[2].currentFrame = 0;
+    s->animations[2].frameTime = 0.08f;
+    s->animations[2].elapsedTime = 0;
+    s->animations[2].source = (Rectangle){0, 0, s->animations[2].texture.width / s->animations[2].frameCount, s->animations[2].texture.height};
+    s->animations[2].origin = (Vector2){s->animations[2].source.width / 2, s->animations[2].source.height / 2};
+    s->animations[2].rotation = 0;
+    s->animations[2].scale = 1.0f;
+
+    s->mirroredAnimations = MirrorAnimations(s->animations, s->animationCount);
+
+    player->components = COMP_POSITION | COMP_VELOCITY | COMP_INPUT | COMP_RENDERABLE;
+}
--- a/src/entities/player.h
+++ b/src/entities/player.h
@@ -0,0 +1,17 @@
+#ifndef PLAYER_H
+#define PLAYER_H
+
+#include "position.h"
+#include "velocity.h"
+#include "raylib.h"
+#include "input.h"
+#include "entity.h"
+#include "sprite.h"
+#include "stdlib.h"
+#include "animation_util.h"
+
+void InitPlayer(int id, Entity *entities, PositionComponent *positions, 
+                VelocityComponent *velocities, InputComponent *inputs, 
+                SpriteComponent *sprites, float x, float y);
+
+#endif
--- a/src/level/level.c
+++ b/src/level/level.c
--- a/src/level/level.h
+++ b/src/level/level.h
@@ -0,0 +1,4 @@
+#ifndef LEVEL_H
+#define LEVEL_H
+
+#endif
--- a/src/main.c
+++ b/src/main.c
@@ -0,0 +1,19 @@
+#include "core/result.h"
+#include "raylib.h"
+#include "core/game.h"
+
+int main() {
+    InitGame();
+    ShowSplashScreen();
+ 
+    while (!WindowShouldClose()) {
+        float dt = GetFrameTime();
+        UpdateGame(dt);
+        DrawGame();
+    }
+
+    UnloadGame();
+    CloseWindow();
+
+    return RESULT_OK;
+} 
--- a/src/math/vector.c
+++ b/src/math/vector.c
@@ -0,0 +1,9 @@
+#include "vector.h"
+
+void NormalizeVector(Vector2 *vector) {
+    float m = sqrtf(vector->x * vector->x + vector->y * vector->y);
+    if (m > 0.0001f)
+        *vector = (Vector2){ vector->x / m, vector->y / m };
+    else
+        *vector = (Vector2){ 0, 0 };
+}
--- a/src/math/vector.h
+++ b/src/math/vector.h
@@ -0,0 +1,9 @@
+#ifndef VECTOR_H
+#define VECTOR_H
+
+#include "raylib.h"
+#include "math.h"
+
+void NormalizeVector(Vector2 *vector);
+
+#endif
--- a/src/systems/animation_system.c
+++ b/src/systems/animation_system.c
@@ -0,0 +1,43 @@
+#include "animation_system.h"
+
+void AnimationSystemUpdate(Entity *entities,
+                           SpriteComponent *sprites,
+                           MovementIntent *intents,
+                           size_t count,
+                           float dt) {
+    for (size_t i = 0; i < count; i++) {
+        if (!(entities[i].components & COMP_RENDERABLE))
+            continue;
+
+        SpriteComponent *s = &sprites[i];
+
+        Animation *animToDraw = (intents[i].direction.x < 0) ? &s->mirroredAnimations[s->currentAnimation] : &s->animations[s->currentAnimation];
+
+        int newAnim = 0;
+        if (intents[i].direction.x != 0 || intents[i].direction.y != 0)
+            newAnim = intents[i].running ? 2 : 1;
+
+        if (s->currentAnimation != newAnim) {
+            s->currentAnimation = newAnim;
+            s->animations[newAnim].currentFrame = 0;
+            s->animations[newAnim].elapsedTime = 0;
+            s->mirroredAnimations[newAnim].currentFrame = 0;
+            s->mirroredAnimations[newAnim].elapsedTime = 0;
+        }
+
+        // Actualizar frame
+        animToDraw->elapsedTime += dt;
+        if (animToDraw->elapsedTime >= animToDraw->frameTime) {
+            animToDraw->currentFrame = (animToDraw->currentFrame + 1) % animToDraw->frameCount;
+            animToDraw->elapsedTime = 0;
+        }
+
+        // Actualizar source rectangle
+        animToDraw->source.x = animToDraw->currentFrame * (animToDraw->texture.width / animToDraw->frameCount);
+        animToDraw->source.y = 0;
+        animToDraw->source.width = animToDraw->texture.width / animToDraw->frameCount;
+        animToDraw->source.height = animToDraw->texture.height;
+
+        s->currentAnimationPtr = animToDraw;
+    }
+}
--- a/src/systems/animation_system.h
+++ b/src/systems/animation_system.h
@@ -0,0 +1,16 @@
+#ifndef ANIMATION_SYSTEM_H
+#define ANIMATION_SYSTEM_H
+
+#include "raylib.h"
+#include "sprite.h"
+#include "entity.h"
+#include "stdlib.h"
+#include "movement.h"
+
+void AnimationSystemUpdate(Entity *entities,
+                           SpriteComponent *sprites,
+                           MovementIntent *intents,
+                           size_t count,
+                           float dt);
+
+#endif
--- a/src/systems/input_system.c
+++ b/src/systems/input_system.c
@@ -0,0 +1,16 @@
+#include "input_system.h"
+
+void InputSystemUpdate(Entity *entities,
+                       InputComponent *inputs,
+                       size_t count) {
+    for (size_t i = 0; i < count; i++)
+    {
+        if (!(entities[i].components & COMP_INPUT))
+            continue;
+
+        inputs[i].input.up    = IsKeyDown(KEY_W);
+        inputs[i].input.down  = IsKeyDown(KEY_S);
+        inputs[i].input.left  = IsKeyDown(KEY_A);
+        inputs[i].input.right = IsKeyDown(KEY_D);
+    }
+}
--- a/src/systems/input_system.h
+++ b/src/systems/input_system.h
@@ -0,0 +1,12 @@
+#ifndef INPUT_SYSTEM_H
+#define INPUT_SYSTEM_H
+
+#include <stdlib.h>
+#include "raylib.h"
+#include "input.h"
+#include "vector.h"
+#include "entity.h"
+
+void InputSystemUpdate(Entity *entities, InputComponent *inputs, size_t count);
+
+#endif
--- a/src/systems/intent_system.c
+++ b/src/systems/intent_system.c
@@ -0,0 +1,24 @@
+#include "intent_system.h"
+
+void IntentSystemUpdate(Entity *entities,
+                        InputComponent *inputs,
+                        MovementIntent *intents,
+                        size_t count) {
+    for (size_t i = 0; i < count; i++) {
+        if (!(entities[i].components & COMP_INPUT))
+            continue;
+
+        Vector2 dir = {0, 0};
+
+        if (inputs[i].input.up)    dir.y -= 1;
+        if (inputs[i].input.down)  dir.y += 1;
+        if (inputs[i].input.left)  dir.x -= 1;
+        if (inputs[i].input.right) dir.x += 1;
+
+        if (fabsf(dir.x) > 0.0001f || fabsf(dir.y) > 0.0001f)
+            NormalizeVector(&dir);
+
+        intents[i].direction = dir;
+        intents[i].running   = IsKeyDown(KEY_LEFT_SHIFT);
+    }
+}
--- a/src/systems/intent_system.h
+++ b/src/systems/intent_system.h
@@ -0,0 +1,14 @@
+#ifndef INTENT_SYSTEM_H
+#define INTENT_SYSTEM_H
+
+#include "entity.h"
+#include "input.h"
+#include <stdlib.h>
+#include "raylib.h"
+#include "movement.h"
+#include "math.h"
+#include "vector.h"
+
+void IntentSystemUpdate(Entity *entities, InputComponent *inputs, MovementIntent *intents, size_t count);
+
+#endif
--- a/src/systems/movement_system.c
+++ b/src/systems/movement_system.c
@@ -0,0 +1,28 @@
+#include "movement_system.h"
+
+void MovementSystemUpdate(Entity *entities,
+                          PositionComponent *positions,
+                          VelocityComponent *velocities,
+                          MovementIntent *intents,
+                          size_t count,
+                          float dt) {
+    const float baseSpeed = 200.0f;
+    const float runMultiplier = 1.5f;
+
+    for (size_t i = 0; i < count; i++) {
+        if (!(entities[i].components & COMP_POSITION) ||
+            !(entities[i].components & COMP_VELOCITY))
+            continue;
+
+        Vector2 dir = intents[i].direction;
+
+        float speed = baseSpeed *
+                      (intents[i].running ? runMultiplier : 1.0f);
+
+        velocities[i].velocity.x = dir.x * speed;
+        velocities[i].velocity.y = dir.y * speed;
+
+        positions[i].position.x += velocities[i].velocity.x * dt;
+        positions[i].position.y += velocities[i].velocity.y * dt;
+    }
+}
--- a/src/systems/movement_system.h
+++ b/src/systems/movement_system.h
@@ -0,0 +1,14 @@
+#ifndef MOVEMENT_SYSTEM_H
+#define MOVEMENT_SYSTEM_H
+
+#include <stdlib.h>
+#include "raylib.h"
+#include "position.h"
+#include "velocity.h"
+#include "movement.h"
+#include "entity.h"
+
+void MovementSystemUpdate(Entity *entities, PositionComponent *positions, 
+    VelocityComponent *velocities, MovementIntent *intents, size_t count,
+    float dt);
+#endif
--- a/src/systems/physics_system.c
+++ b/src/systems/physics_system.c
@@ -0,0 +1,10 @@
+#include "physics_system.h"
+
+void PhysicsSystemUpdate(Entity *entities,
+                         size_t count,
+                         float dt) {
+
+    for(size_t i = 0; i < count; i++) {
+        
+    }
+}
--- a/src/systems/physics_system.h
+++ b/src/systems/physics_system.h
@@ -0,0 +1,10 @@
+#ifndef PHYSICS_SYSTEM_H
+#define PHYSICS_SYSTEM_H
+
+#include "raylib.h"
+#include "entity.h"
+#include <stdlib.h>
+
+void PhysicsSystemUpdate(Entity *entities, size_t count, float dt);
+
+#endif
--- a/src/systems/render_system.c
+++ b/src/systems/render_system.c
@@ -0,0 +1,22 @@
+#include "render_system.h"
+
+void RenderSystemDraw(Entity *entities, PositionComponent *positions, SpriteComponent *sprites, size_t count) {
+    for (size_t i = 0; i < count; i++) {
+        if (!(entities[i].components & COMP_POSITION))
+            continue;
+
+        Vector2 pos = positions[i].position;
+
+        if (entities[i].components & COMP_RENDERABLE) {
+            SpriteComponent *s = &sprites[i];
+
+            DrawTextureRec(
+                s->currentAnimationPtr->texture,
+                s->currentAnimationPtr->source,
+                pos,
+                WHITE);
+        } else {
+            DrawRectangle(pos.x, pos.y, 32, 32, RED);
+        }
+    }
+}
--- a/src/systems/render_system.h
+++ b/src/systems/render_system.h
@@ -0,0 +1,12 @@
+#ifndef RENDER_SYSTEM_H
+#define RENDER_SYSTEM_H
+
+#include <stdlib.h>
+#include "raylib.h"
+#include "position.h"
+#include "entity.h"
+#include "sprite.h"
+
+void RenderSystemDraw(Entity *entities, PositionComponent *positions, SpriteComponent *sprites, size_t count);
+
+#endif
--- a/src/util/animation_util.c
+++ b/src/util/animation_util.c
@@ -0,0 +1,22 @@
+#include "animation_util.h"
+
+Animation *MirrorAnimations(Animation *originalAnimations, int count) {
+    if (!originalAnimations || count <= 0) return NULL;
+
+    Animation *mirrored = malloc(sizeof(Animation) * count);
+    if (!mirrored) return NULL;
+
+    for (int i = 0; i < count; i++) {
+        mirrored[i] = originalAnimations[i];
+        mirrored[i].currentFrame = 0;
+        mirrored[i].elapsedTime = 0;
+
+        // mirror
+        Image img = LoadImageFromTexture(originalAnimations[i].texture);
+        ImageFlipHorizontal(&img);
+        mirrored[i].texture = LoadTextureFromImage(img);
+        UnloadImage(img);
+    }
+
+    return mirrored;
+}
--- a/src/util/animation_util.h
+++ b/src/util/animation_util.h
@@ -0,0 +1,11 @@
+#ifndef ANIMATION_UTIL_H
+#define ANIMATION_UTIL_H
+
+#include "sprite.h"
+#include "raylib.h"
+#include <stdlib.h>
+#include <string.h>
+
+Animation *MirrorAnimations(Animation *originalAnimations, int count);
+
+#endif
Author	SHA1	Message	Date
Jose	0220af27bc	change convention: from allman to K&R. add: gravity component	2026-03-07 22:11:16 +01:00
Jose	f307470f56	restore: whole project	2026-03-05 15:11:09 +01:00