raylib/examples/textures_srcrec_dstrec.c
raysan5 5ecb6801fa Examples renaming and test examples merge
Examples have been renamed for coherence with raylib modules and test
examples have been merged into examples folder.
2014-09-21 14:26:42 +02:00

68 lines
2.8 KiB
C

/*******************************************************************************************
*
* raylib [textures] example - Texture source and destination rectangles
*
* This example has been created using raylib 1.1 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Copyright (c) 2014 Ramon Santamaria (Ray San - raysan@raysanweb.com)
*
********************************************************************************************/
#include "raylib.h"
int main()
{
// Initialization
//--------------------------------------------------------------------------------------
int screenWidth = 800;
int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [textures] examples - texture source and destination rectangles");
// NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
Texture2D texture = LoadTexture("resources/raylib_logo.png"); // Texture loading
// NOTE: Source rectangle (part of the texture to use for drawing)
Rectangle sourceRec = { 128, 128, 128, 128 };
// NOTE: Destination rectangle (screen rectangle where drawing part of texture)
Rectangle destRec = { screenWidth/2, screenHeight/2, 256, 256 };
// NOTE: Origin of the texture in case of rotation, it's relative to destination rectangle size
Vector2 origin = { 128, 128 };
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
// TODO: Update your variables here
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
// NOTE: Using DrawTexturePro() we can easily rotate and scale the part of the texture we draw
DrawTexturePro(texture, sourceRec, destRec, origin, 45, LIGHTGRAY);
DrawLine(destRec.x, 0, destRec.x, screenHeight, RED);
DrawLine(0, destRec.y, screenWidth, destRec.y, RED);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadTexture(texture); // Texture unloading
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}