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| author | Ray San <[email protected]> | 2017-02-06 18:48:56 +0100 |
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| committer | Ray San <[email protected]> | 2017-02-06 18:48:56 +0100 |
| commit | 1f6eb1fc61d2cc0cca54a79c1516432f09c86313 (patch) | |
| tree | 9ddff0e6ddba65004557c3628a3d56dfaf47ea4b /docs/examples/web/audio_module_playing.c | |
| parent | f2f05a734d4999ffdc19629c838f46914650bbd0 (diff) | |
| download | raylib-1f6eb1fc61d2cc0cca54a79c1516432f09c86313.tar.gz raylib-1f6eb1fc61d2cc0cca54a79c1516432f09c86313.zip | |
Moved raylib webpage to docs folder
raylib webpage has been completely reorganized and moved from gh-pages
(a pain to work with) to docs folder. Useless libs have been removed,
webs have been renamed, etc.
Now it would be easier (hopefully) to update webpage. :)
Diffstat (limited to 'docs/examples/web/audio_module_playing.c')
| -rw-r--r-- | docs/examples/web/audio_module_playing.c | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/docs/examples/web/audio_module_playing.c b/docs/examples/web/audio_module_playing.c new file mode 100644 index 00000000..8fd56c46 --- /dev/null +++ b/docs/examples/web/audio_module_playing.c @@ -0,0 +1,171 @@ +/******************************************************************************************* +* +* raylib [audio] example - Module playing (streaming) +* +* NOTE: This example requires OpenAL Soft library installed +* +* This example has been created using raylib 1.5 (www.raylib.com) +* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) +* +* Copyright (c) 2016 Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" + +#if defined(PLATFORM_WEB) + #include <emscripten/emscripten.h> +#endif + +#define MAX_CIRCLES 32 + +//---------------------------------------------------------------------------------- +// Types and Structures Definition +//---------------------------------------------------------------------------------- +typedef struct { + Vector2 position; + float radius; + float alpha; + float speed; + Color color; +} CircleWave; + +//---------------------------------------------------------------------------------- +// Global Variables Definition +//---------------------------------------------------------------------------------- +int screenWidth = 800; +int screenHeight = 450; + +float timePlayed = 0.0f; + +Color colors[14] = { ORANGE, RED, GOLD, LIME, BLUE, VIOLET, BROWN, LIGHTGRAY, PINK, + YELLOW, GREEN, SKYBLUE, PURPLE, BEIGE }; + +// Creates ome circles for visual effect +CircleWave circles[MAX_CIRCLES]; + +Shader shader; +RenderTexture2D target; + +//---------------------------------------------------------------------------------- +// Module Functions Declaration +//---------------------------------------------------------------------------------- +void UpdateDrawFrame(void); // Update and Draw one frame + +//---------------------------------------------------------------------------------- +// Main Enry Point +//---------------------------------------------------------------------------------- +int main() +{ + // Initialization + //-------------------------------------------------------------------------------------- + InitWindow(screenWidth, screenHeight, "raylib [audio] example - module playing (streaming)"); + + InitAudioDevice(); // Initialize audio device + + for (int i = MAX_CIRCLES - 1; i >= 0; i--) + { + circles[i].alpha = 0.0f; + circles[i].radius = GetRandomValue(10, 40); + circles[i].position.x = GetRandomValue(circles[i].radius, screenWidth - circles[i].radius); + circles[i].position.y = GetRandomValue(circles[i].radius, screenHeight - circles[i].radius); + circles[i].speed = (float)GetRandomValue(1, 100)/20000.0f; + circles[i].color = colors[GetRandomValue(0, 13)]; + } + + // Load postprocessing bloom shader + shader = LoadShader("resources/shaders/glsl100/base.vs", + "resources/shaders/glsl100/bloom.fs"); + + // Create a RenderTexture2D to be used for render to texture + target = LoadRenderTexture(screenWidth, screenHeight); + + PlayMusicStream(0, "resources/audio/2t2m_spa.xm"); // Play module stream + +#if defined(PLATFORM_WEB) + emscripten_set_main_loop(UpdateDrawFrame, 0, 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 + //-------------------------------------------------------------------------------------- + UnloadShader(shader); // Unload shader + UnloadRenderTexture(target); // Unload render texture + + CloseAudioDevice(); // Close audio device (music streaming is automatically stopped) + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition +//---------------------------------------------------------------------------------- +void UpdateDrawFrame(void) +{ + // Update + //---------------------------------------------------------------------------------- + for (int i = MAX_CIRCLES - 1; i >= 0; i--) + { + circles[i].alpha += circles[i].speed; + circles[i].radius += circles[i].speed*10.0f; + + if (circles[i].alpha > 1.0f) circles[i].speed *= -1; + + if (circles[i].alpha <= 0.0f) + { + circles[i].alpha = 0.0f; + circles[i].radius = GetRandomValue(10, 40); + circles[i].position.x = GetRandomValue(circles[i].radius, screenWidth - circles[i].radius); + circles[i].position.y = GetRandomValue(circles[i].radius, screenHeight - circles[i].radius); + circles[i].color = colors[GetRandomValue(0, 13)]; + circles[i].speed = (float)GetRandomValue(1, 100)/20000.0f; + } + } + + // Get timePlayed scaled to bar dimensions + timePlayed = (GetMusicTimePlayed(0)/GetMusicTimeLength(0)*(screenWidth - 40))*2; + + UpdateMusicStream(0); // Update music buffer with new stream data + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(BLACK); + + BeginTextureMode(target); // Enable drawing to texture + + for (int i = MAX_CIRCLES - 1; i >= 0; i--) + { + DrawCircleV(circles[i].position, circles[i].radius, Fade(circles[i].color, circles[i].alpha)); + } + + EndTextureMode(); // End drawing to texture (now we have a texture available for next passes) + + BeginShaderMode(shader); + + // NOTE: Render texture must be y-flipped due to default OpenGL coordinates (left-bottom) + DrawTextureRec(target.texture, (Rectangle){ 0, 0, target.texture.width, -target.texture.height }, (Vector2){ 0, 0 }, WHITE); + + EndShaderMode(); + + // Draw time bar + DrawRectangle(20, screenHeight - 20 - 12, screenWidth - 40, 12, LIGHTGRAY); + DrawRectangle(20, screenHeight - 20 - 12, (int)timePlayed, 12, MAROON); + DrawRectangleLines(20, screenHeight - 20 - 12, screenWidth - 40, 12, WHITE); + + EndDrawing(); + //---------------------------------------------------------------------------------- +}
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