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/*******************************************************************************************
*
* raylib [core] example - Texture loading and drawing a part defined by a rectangle (adapted for HTML5 platform)
*
* This example has been created using raylib 1.3 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Copyright (c) 2015 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include "raylib.h"
#if defined(PLATFORM_WEB)
#include <emscripten/emscripten.h>
#endif
//----------------------------------------------------------------------------------
// Global Variables Definition
//----------------------------------------------------------------------------------
int screenWidth = 800;
int screenHeight = 450;
// NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
Texture2D guybrush;
Vector2 position;
Rectangle frameRec;
int currentFrame = 0;
//----------------------------------------------------------------------------------
// Module Functions Declaration
//----------------------------------------------------------------------------------
void UpdateDrawFrame(void); // Update and Draw one frame
//----------------------------------------------------------------------------------
// Main Enry Point
//----------------------------------------------------------------------------------
int main()
{
// Initialization
//--------------------------------------------------------------------------------------
InitWindow(screenWidth, screenHeight, "raylib [texture] example - texture rectangle");
guybrush = LoadTexture("resources/guybrush.png"); // Texture loading
position = (Vector2){ 350.0f, 240.0f };
// NOTE: On PLATFORM_WEB, NPOT textures support is limited
frameRec = (Rectangle){ 0, 0, guybrush.width/7, guybrush.height };
#if defined(PLATFORM_WEB)
emscripten_set_main_loop(UpdateDrawFrame, 0, 1);
#else
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
UpdateDrawFrame();
}
#endif
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadTexture(guybrush); // Texture unloading
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
//----------------------------------------------------------------------------------
// Module Functions Definition
//----------------------------------------------------------------------------------
void UpdateDrawFrame(void)
{
// Update
//----------------------------------------------------------------------------------
if (IsKeyPressed(KEY_RIGHT))
{
currentFrame++;
if (currentFrame > 6) currentFrame = 0;
frameRec.x = currentFrame*guybrush.width/7;
}
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
DrawTexture(guybrush, 35, 40, WHITE);
DrawRectangleLines(35, 40, guybrush.width, guybrush.height, LIME);
DrawTextureRec(guybrush, frameRec, position, WHITE); // Draw part of the texture
DrawRectangleLines(35 + frameRec.x, 40 + frameRec.y, frameRec.width, frameRec.height, RED);
DrawText("PRESS RIGHT KEY to", 540, 310, 10, GRAY);
DrawText("CHANGE DRAWING RECTANGLE", 520, 330, 10, GRAY);
DrawText("Guybrush Ulysses Threepwood,", 100, 300, 10, GRAY);
DrawText("main character of the Monkey Island series", 80, 320, 10, GRAY);
DrawText("of computer adventure games by LucasArts.", 80, 340, 10, GRAY);
EndDrawing();
//----------------------------------------------------------------------------------
}
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