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/*******************************************************************************************
*
* raylib [textures] example - sprite explosion
*
* Example originally created with raylib 2.5, last time updated with raylib 3.5
*
* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
* BSD-like license that allows static linking with closed source software
*
* Copyright (c) 2019-2024 Anata and Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include "raylib.h"
#define NUM_FRAMES_PER_LINE 5
#define NUM_LINES 5
//------------------------------------------------------------------------------------
// Program main entry point
//------------------------------------------------------------------------------------
int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [textures] example - sprite explosion");
InitAudioDevice();
// Load explosion sound
Sound fxBoom = LoadSound("resources/boom.wav");
// Load explosion texture
Texture2D explosion = LoadTexture("resources/explosion.png");
// Init variables for animation
float frameWidth = (float)(explosion.width/NUM_FRAMES_PER_LINE); // Sprite one frame rectangle width
float frameHeight = (float)(explosion.height/NUM_LINES); // Sprite one frame rectangle height
int currentFrame = 0;
int currentLine = 0;
Rectangle frameRec = { 0, 0, frameWidth, frameHeight };
Vector2 position = { 0.0f, 0.0f };
bool active = false;
int framesCounter = 0;
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
//----------------------------------------------------------------------------------
// Check for mouse button pressed and activate explosion (if not active)
if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT) && !active)
{
position = GetMousePosition();
active = true;
position.x -= frameWidth/2.0f;
position.y -= frameHeight/2.0f;
PlaySound(fxBoom);
}
// Compute explosion animation frames
if (active)
{
framesCounter++;
if (framesCounter > 2)
{
currentFrame++;
if (currentFrame >= NUM_FRAMES_PER_LINE)
{
currentFrame = 0;
currentLine++;
if (currentLine >= NUM_LINES)
{
currentLine = 0;
active = false;
}
}
framesCounter = 0;
}
}
frameRec.x = frameWidth*currentFrame;
frameRec.y = frameHeight*currentLine;
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
// Draw explosion required frame rectangle
if (active) DrawTextureRec(explosion, frameRec, position, WHITE);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadTexture(explosion); // Unload texture
UnloadSound(fxBoom); // Unload sound
CloseAudioDevice();
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
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