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Diffstat (limited to 'examples/src/textures/textures_rectangle.c')
| -rw-r--r-- | examples/src/textures/textures_rectangle.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/examples/src/textures/textures_rectangle.c b/examples/src/textures/textures_rectangle.c new file mode 100644 index 0000000..c90db8a --- /dev/null +++ b/examples/src/textures/textures_rectangle.c @@ -0,0 +1,99 @@ +/******************************************************************************************* +* +* raylib [textures] example - Texture loading and drawing a part defined by a rectangle +* +* 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) 2014 Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" + +#define MAX_FRAME_SPEED 15 +#define MIN_FRAME_SPEED 1 + +int main() +{ + // Initialization + //-------------------------------------------------------------------------------------- + int screenWidth = 800; + int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [texture] example - texture rectangle"); + + // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required) + Texture2D scarfy = LoadTexture("resources/scarfy.png"); // Texture loading + + Vector2 position = { 350.0f, 280.0f }; + Rectangle frameRec = { 0, 0, scarfy.width/6, scarfy.height }; + int currentFrame = 0; + + int framesCounter = 0; + int framesSpeed = 8; // Number of spritesheet frames shown by second + + SetTargetFPS(60); // Set our game to run at 60 frames-per-second + //-------------------------------------------------------------------------------------- + + // Main game loop + while (!WindowShouldClose()) // Detect window close button or ESC key + { + // Update + //---------------------------------------------------------------------------------- + framesCounter++; + + if (framesCounter >= (60/framesSpeed)) + { + framesCounter = 0; + currentFrame++; + + if (currentFrame > 5) currentFrame = 0; + + frameRec.x = currentFrame*scarfy.width/6; + } + + if (IsKeyPressed(KEY_RIGHT)) framesSpeed++; + else if (IsKeyPressed(KEY_LEFT)) framesSpeed--; + + if (framesSpeed > MAX_FRAME_SPEED) framesSpeed = MAX_FRAME_SPEED; + else if (framesSpeed < MIN_FRAME_SPEED) framesSpeed = MIN_FRAME_SPEED; + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + DrawTexture(scarfy, 15, 40, WHITE); + DrawRectangleLines(15, 40, scarfy.width, scarfy.height, LIME); + DrawRectangleLines(15 + frameRec.x, 40 + frameRec.y, frameRec.width, frameRec.height, RED); + + DrawText("FRAME SPEED: ", 165, 210, 10, DARKGRAY); + DrawText(FormatText("%02i FPS", framesSpeed), 575, 210, 10, DARKGRAY); + DrawText("PRESS RIGHT/LEFT KEYS to CHANGE SPEED!", 290, 240, 10, DARKGRAY); + + for (int i = 0; i < MAX_FRAME_SPEED; i++) + { + if (i < framesSpeed) DrawRectangle(250 + 21*i, 205, 20, 20, RED); + DrawRectangleLines(250 + 21*i, 205, 20, 20, MAROON); + } + + DrawTextureRec(scarfy, frameRec, position, WHITE); // Draw part of the texture + + DrawText("(c) Scarfy sprite by Eiden Marsal", screenWidth - 200, screenHeight - 20, 10, GRAY); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + UnloadTexture(scarfy); // Texture unloading + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +}
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