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+/*******************************************************************************************
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+*
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+* raylib [textures] example - sprite explosion
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+*
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+* This example has been created using raylib 2.5 (www.raylib.com)
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+* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
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+*
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+* Copyright (c) 2019 Anata and Ramon Santamaria (@raysan5)
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+*
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+********************************************************************************************/
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+
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+#include "raylib.h"
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+
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+#define NUM_FRAMES 8
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+#define NUM_LINES 6
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+
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+int main()
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+{
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+ // Initialization
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+ //--------------------------------------------------------------------------------------
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+ const int screenWidth = 800;
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+ const int screenHeight = 450;
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+
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+ InitWindow(screenWidth, screenHeight, "raylib [textures] example - sprite explosion");
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+
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+ InitAudioDevice();
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+
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+ // Load explosion sound
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+ Sound fxBoom = LoadSound("resources/boom.wav");
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+
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+ // Load explosion texture
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+ Texture2D explosion = LoadTexture("resources/explosion2.png");
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+
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+ // Init variables for animation
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+ int frameWidth = explosion.width/NUM_FRAMES; // Sprite one frame rectangle width
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+ int frameHeight = explosion.height/NUM_LINES; // Sprite one frame rectangle height
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+ int currentFrame = 0;
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+ int currentLine = 0;
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+
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+ Rectangle frameRec = { 0, 0, frameWidth, frameHeight };
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+ Vector2 position = { 0, 0 };
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+
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+ bool active = false;
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+ int framesCounter = 0;
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+
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+ SetTargetFPS(120);
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+ //--------------------------------------------------------------------------------------
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+
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+ // Main game loop
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+ while (!WindowShouldClose()) // Detect window close button or ESC key
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+ {
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+ // Update
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+ //----------------------------------------------------------------------------------
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+
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+ // Check for mouse button pressed and activate explosion (if not active)
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+ if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON) && !active)
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+ {
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+ position = GetMousePosition();
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+ active = true;
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+
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+ position.x -= frameWidth/2;
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+ position.y -= frameHeight/2;
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+
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+ PlaySound(fxBoom);
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+ }
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+
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+ // Compute explosion animation frames
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+ if (active)
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+ {
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+ framesCounter++;
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+
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+ if (framesCounter > 2)
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+ {
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+ currentFrame++;
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+
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+ if (currentFrame >= NUM_FRAMES)
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+ {
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+ currentFrame = 0;
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+ currentLine++;
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+
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+ if (currentLine >= NUM_LINES)
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+ {
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+ currentLine = 0;
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+ active = false;
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+ }
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+ }
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+
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+ framesCounter = 0;
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+ }
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+ }
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+
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+ frameRec.x = frameWidth*currentFrame;
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+ frameRec.y = frameHeight*currentLine;
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+ //----------------------------------------------------------------------------------
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+
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+ // Draw
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+ //----------------------------------------------------------------------------------
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+ BeginDrawing();
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+
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+ ClearBackground(RAYWHITE);
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+
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+ // Draw explosion required frame rectangle
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+ if (active) DrawTextureRec(explosion, frameRec, position, WHITE);
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+
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+ EndDrawing();
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+ //----------------------------------------------------------------------------------
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+ }
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+
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+ // De-Initialization
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+ //--------------------------------------------------------------------------------------
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+ UnloadTexture(explosion); // Unload texture
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+ UnloadSound(fxBoom); // Unload sound
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+
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+ CloseAudioDevice();
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+
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+ CloseWindow(); // Close window and OpenGL context
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+ //--------------------------------------------------------------------------------------
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+
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+ return 0;
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+}
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Ray
