1 | /******************************************************************************************* |
2 | * |
3 | * raylib [textures] example - sprite button |
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 Ramon Santamaria (@raysan5) |
9 | * |
10 | ********************************************************************************************/ |
11 | |
12 | #include "raylib.h" |
13 | |
14 | #define NUM_FRAMES 3 // Number of frames (rectangles) for the button sprite texture |
15 | |
16 | int main(void) |
17 | { |
18 | // Initialization |
19 | //-------------------------------------------------------------------------------------- |
20 | const int screenWidth = 800; |
21 | const int screenHeight = 450; |
22 | |
23 | InitWindow(screenWidth, screenHeight, "raylib [textures] example - sprite button" ); |
24 | |
25 | InitAudioDevice(); // Initialize audio device |
26 | |
27 | Sound fxButton = LoadSound("resources/buttonfx.wav" ); // Load button sound |
28 | Texture2D button = LoadTexture("resources/button.png" ); // Load button texture |
29 | |
30 | // Define frame rectangle for drawing |
31 | int frameHeight = button.height/NUM_FRAMES; |
32 | Rectangle sourceRec = { 0, 0, button.width, frameHeight }; |
33 | |
34 | // Define button bounds on screen |
35 | Rectangle btnBounds = { screenWidth/2 - button.width/2, screenHeight/2 - button.height/NUM_FRAMES/2, button.width, frameHeight }; |
36 | |
37 | int btnState = 0; // Button state: 0-NORMAL, 1-MOUSE_HOVER, 2-PRESSED |
38 | bool btnAction = false; // Button action should be activated |
39 | |
40 | Vector2 mousePoint = { 0.0f, 0.0f }; |
41 | |
42 | SetTargetFPS(60); |
43 | //-------------------------------------------------------------------------------------- |
44 | |
45 | // Main game loop |
46 | while (!WindowShouldClose()) // Detect window close button or ESC key |
47 | { |
48 | // Update |
49 | //---------------------------------------------------------------------------------- |
50 | mousePoint = GetMousePosition(); |
51 | btnAction = false; |
52 | |
53 | // Check button state |
54 | if (CheckCollisionPointRec(mousePoint, btnBounds)) |
55 | { |
56 | if (IsMouseButtonDown(MOUSE_LEFT_BUTTON)) btnState = 2; |
57 | else btnState = 1; |
58 | |
59 | if (IsMouseButtonReleased(MOUSE_LEFT_BUTTON)) btnAction = true; |
60 | } |
61 | else btnState = 0; |
62 | |
63 | if (btnAction) |
64 | { |
65 | PlaySound(fxButton); |
66 | |
67 | // TODO: Any desired action |
68 | } |
69 | |
70 | // Calculate button frame rectangle to draw depending on button state |
71 | sourceRec.y = btnState*frameHeight; |
72 | //---------------------------------------------------------------------------------- |
73 | |
74 | // Draw |
75 | //---------------------------------------------------------------------------------- |
76 | BeginDrawing(); |
77 | |
78 | ClearBackground(RAYWHITE); |
79 | |
80 | DrawTextureRec(button, sourceRec, (Vector2){ btnBounds.x, btnBounds.y }, WHITE); // Draw button frame |
81 | |
82 | EndDrawing(); |
83 | //---------------------------------------------------------------------------------- |
84 | } |
85 | |
86 | // De-Initialization |
87 | //-------------------------------------------------------------------------------------- |
88 | UnloadTexture(button); // Unload button texture |
89 | UnloadSound(fxButton); // Unload sound |
90 | |
91 | CloseAudioDevice(); // Close audio device |
92 | |
93 | CloseWindow(); // Close window and OpenGL context |
94 | //-------------------------------------------------------------------------------------- |
95 | |
96 | return 0; |
97 | } |