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authorRay <[email protected]>2017-04-09 23:46:47 +0200
committerRay <[email protected]>2017-04-09 23:46:47 +0200
commitf7bebf9861734c47d0840868f243b186a59a96ba (patch)
treef5ca2d320c680ef5926b5455e4498646031cd5ac /docs/examples/web/textures_srcrec_dstrec.c
parent8374460c3986b16c68a6dea0643e9af541987d52 (diff)
downloadraylib-f7bebf9861734c47d0840868f243b186a59a96ba.tar.gz
raylib-f7bebf9861734c47d0840868f243b186a59a96ba.zip
Working on web examples
Reorganizing folders Review examples Work on makefile and loader.html
Diffstat (limited to 'docs/examples/web/textures_srcrec_dstrec.c')
-rw-r--r--docs/examples/web/textures_srcrec_dstrec.c118
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diff --git a/docs/examples/web/textures_srcrec_dstrec.c b/docs/examples/web/textures_srcrec_dstrec.c
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-/*******************************************************************************************
-*
-* raylib [core] example - Texture source and destination rectangles (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;
-
-int frameWidth;
-int frameHeight;
-
-Rectangle sourceRec;
-Rectangle destRec;
-Vector2 origin;
-
-int rotation = 0;
-
-
-//----------------------------------------------------------------------------------
-// Module Functions Declaration
-//----------------------------------------------------------------------------------
-void UpdateDrawFrame(void); // Update and Draw one frame
-
-//----------------------------------------------------------------------------------
-// Main Enry Point
-//----------------------------------------------------------------------------------
-int main()
-{
- // Initialization
- //--------------------------------------------------------------------------------------
- InitWindow(screenWidth, screenHeight, "raylib [textures] examples - texture source and destination rectangles");
-
- guybrush = LoadTexture("resources/guybrush.png"); // Texture loading
-
- frameWidth = guybrush.width/7;
- frameHeight = guybrush.height;
-
- // NOTE: On PLATFORM_WEB, NPOT textures support is limited
-
- // NOTE: Source rectangle (part of the texture to use for drawing)
- sourceRec = (Rectangle){ 0, 0, frameWidth, frameHeight };
-
- // NOTE: Destination rectangle (screen rectangle where drawing part of texture)
- destRec = (Rectangle){ screenWidth/2, screenHeight/2, frameWidth*2, frameHeight*2 };
-
- // NOTE: Origin of the texture (rotation/scale point), it's relative to destination rectangle size
- origin = (Vector2){ frameWidth, frameHeight };
-
-#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
- //----------------------------------------------------------------------------------
- rotation++;
- //----------------------------------------------------------------------------------
-
- // Draw
- //----------------------------------------------------------------------------------
- BeginDrawing();
-
- ClearBackground(RAYWHITE);
-
- // NOTE: Using DrawTexturePro() we can easily rotate and scale the part of the texture we draw
- // sourceRec defines the part of the texture we use for drawing
- // destRec defines the rectangle where our texture part will fit (scaling it to fit)
- // origin defines the point of the texture used as reference for rotation and scaling
- // rotation defines the texture rotation (using origin as rotation point)
- DrawTexturePro(guybrush, sourceRec, destRec, origin, rotation, WHITE);
-
- DrawLine(destRec.x, 0, destRec.x, screenHeight, GRAY);
- DrawLine(0, destRec.y, screenWidth, destRec.y, GRAY);
-
- EndDrawing();
- //----------------------------------------------------------------------------------
-} \ No newline at end of file