blob: 97131d9f1d9d0575b70f76a02ab9058c32ed5e09 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/*******************************************************************************************
*
* raylib [textures] example - sprite explosion
*
* This example has been created using raylib 2.5 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Copyright (c) 2019 Anata and Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include "raylib.h"
#if defined(PLATFORM_WEB)
#include <emscripten/emscripten.h>
#endif
#define NUM_FRAMES_PER_LINE 5
#define NUM_LINES 5
//----------------------------------------------------------------------------------
// Global Variables Definition
//----------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
// NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
// Load explosion sound
Sound fxBoom = { 0 };
// Load explosion texture
Texture2D explosion = { 0 };
// Init variables for animation
int frameWidth = 0;
int frameHeight = 0;
int currentFrame = 0;
int currentLine = 0;
Rectangle frameRec = { 0 };
Vector2 position = { 0.0f, 0.0f };
bool active = false;
int framesCounter = 0;
//----------------------------------------------------------------------------------
// Module Functions Declaration
//----------------------------------------------------------------------------------
void UpdateDrawFrame(void); // Update and Draw one frame
//----------------------------------------------------------------------------------
// Program Main Entry Point
//----------------------------------------------------------------------------------
int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
InitWindow(screenWidth, screenHeight, "raylib [textures] example - sprite explosion");
InitAudioDevice();
// Load explosion sound
fxBoom = LoadSound("resources/boom.wav");
// Load explosion texture
explosion = LoadTexture("resources/explosion.png");
// Init variables for animation
frameWidth = explosion.width/NUM_FRAMES_PER_LINE; // Sprite one frame rectangle width
frameHeight = explosion.height/NUM_LINES; // Sprite one frame rectangle height
frameRec = (Rectangle){ 0, 0, frameWidth, frameHeight };
#if defined(PLATFORM_WEB)
emscripten_set_main_loop(UpdateDrawFrame, 60, 1);
#else
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
UpdateDrawFrame();
}
#endif
// De-Initialization
//--------------------------------------------------------------------------------------
UnloadTexture(explosion); // Unload texture
UnloadSound(fxBoom); // Unload sound
CloseAudioDevice();
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
//----------------------------------------------------------------------------------
// Module Functions Definition
//----------------------------------------------------------------------------------
void UpdateDrawFrame(void)
{
// Update
//----------------------------------------------------------------------------------
// Check for mouse button pressed and activate explosion (if not active)
if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON) && !active)
{
position = GetMousePosition();
active = true;
position.x -= frameWidth/2;
position.y -= frameHeight/2;
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();
//----------------------------------------------------------------------------------
}
|
