1 | /******************************************************************************************* |
---|---|
2 | * |
3 | * raylib [textures] example - sprite explosion |
4 | * |
5 | * This example has been created using raylib 2.5 (www.raylib.com) |
6 | * raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) |
7 | * |
8 | * Copyright (c) 2019 Anata and Ramon Santamaria (@raysan5) |
9 | * |
10 | ********************************************************************************************/ |
11 | |
12 | #include "raylib.h" |
13 | |
14 | #define NUM_FRAMES 8 |
15 | #define NUM_LINES 6 |
16 | |
17 | int main(void) |
18 | { |
19 | // Initialization |
20 | //-------------------------------------------------------------------------------------- |
21 | const int screenWidth = 800; |
22 | const int screenHeight = 450; |
23 | |
24 | InitWindow(screenWidth, screenHeight, "raylib [textures] example - sprite explosion"); |
25 | |
26 | InitAudioDevice(); |
27 | |
28 | // Load explosion sound |
29 | Sound fxBoom = LoadSound("resources/boom.wav"); |
30 | |
31 | // Load explosion texture |
32 | Texture2D explosion = LoadTexture("resources/explosion.png"); |
33 | |
34 | // Init variables for animation |
35 | int frameWidth = explosion.width/NUM_FRAMES; // Sprite one frame rectangle width |
36 | int frameHeight = explosion.height/NUM_LINES; // Sprite one frame rectangle height |
37 | int currentFrame = 0; |
38 | int currentLine = 0; |
39 | |
40 | Rectangle frameRec = { 0, 0, frameWidth, frameHeight }; |
41 | Vector2 position = { 0.0f, 0.0f }; |
42 | |
43 | bool active = false; |
44 | int framesCounter = 0; |
45 | |
46 | SetTargetFPS(120); |
47 | //-------------------------------------------------------------------------------------- |
48 | |
49 | // Main game loop |
50 | while (!WindowShouldClose()) // Detect window close button or ESC key |
51 | { |
52 | // Update |
53 | //---------------------------------------------------------------------------------- |
54 | |
55 | // Check for mouse button pressed and activate explosion (if not active) |
56 | if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON) && !active) |
57 | { |
58 | position = GetMousePosition(); |
59 | active = true; |
60 | |
61 | position.x -= frameWidth/2; |
62 | position.y -= frameHeight/2; |
63 | |
64 | PlaySound(fxBoom); |
65 | } |
66 | |
67 | // Compute explosion animation frames |
68 | if (active) |
69 | { |
70 | framesCounter++; |
71 | |
72 | if (framesCounter > 2) |
73 | { |
74 | currentFrame++; |
75 | |
76 | if (currentFrame >= NUM_FRAMES) |
77 | { |
78 | currentFrame = 0; |
79 | currentLine++; |
80 | |
81 | if (currentLine >= NUM_LINES) |
82 | { |
83 | currentLine = 0; |
84 | active = false; |
85 | } |
86 | } |
87 | |
88 | framesCounter = 0; |
89 | } |
90 | } |
91 | |
92 | frameRec.x = frameWidth*currentFrame; |
93 | frameRec.y = frameHeight*currentLine; |
94 | //---------------------------------------------------------------------------------- |
95 | |
96 | // Draw |
97 | //---------------------------------------------------------------------------------- |
98 | BeginDrawing(); |
99 | |
100 | ClearBackground(RAYWHITE); |
101 | |
102 | // Draw explosion required frame rectangle |
103 | if (active) DrawTextureRec(explosion, frameRec, position, WHITE); |
104 | |
105 | EndDrawing(); |
106 | //---------------------------------------------------------------------------------- |
107 | } |
108 | |
109 | // De-Initialization |
110 | //-------------------------------------------------------------------------------------- |
111 | UnloadTexture(explosion); // Unload texture |
112 | UnloadSound(fxBoom); // Unload sound |
113 | |
114 | CloseAudioDevice(); |
115 | |
116 | CloseWindow(); // Close window and OpenGL context |
117 | //-------------------------------------------------------------------------------------- |
118 | |
119 | return 0; |
120 | } |