diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/textures/textures_draw_tiled.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/examples/textures/textures_draw_tiled.c b/examples/textures/textures_draw_tiled.c index 908bf238..f68f2366 100644 --- a/examples/textures/textures_draw_tiled.c +++ b/examples/textures/textures_draw_tiled.c @@ -20,6 +20,9 @@ #define MARGIN_SIZE 8 // Size for the margins #define COLOR_SIZE 16 // Size of the color select buttons +// Draw part of a texture (defined by a rectangle) with rotation and scale tiled into dest. +void DrawTextureTiled(Texture2D texture, Rectangle source, Rectangle dest, Vector2 origin, float rotation, float scale, Color tint); + //------------------------------------------------------------------------------------ // Program main entry point //------------------------------------------------------------------------------------ @@ -168,3 +171,86 @@ int main(void) return 0; } +// Draw part of a texture (defined by a rectangle) with rotation and scale tiled into dest. +void DrawTextureTiled(Texture2D texture, Rectangle source, Rectangle dest, Vector2 origin, float rotation, float scale, Color tint) +{ + if ((texture.id <= 0) || (scale <= 0.0f)) return; // Wanna see a infinite loop?!...just delete this line! + if ((source.width == 0) || (source.height == 0)) return; + + int tileWidth = (int)(source.width*scale), tileHeight = (int)(source.height*scale); + if ((dest.width < tileWidth) && (dest.height < tileHeight)) + { + // Can fit only one tile + DrawTexturePro(texture, (Rectangle){source.x, source.y, ((float)dest.width/tileWidth)*source.width, ((float)dest.height/tileHeight)*source.height}, + (Rectangle){dest.x, dest.y, dest.width, dest.height}, origin, rotation, tint); + } + else if (dest.width <= tileWidth) + { + // Tiled vertically (one column) + int dy = 0; + for (;dy+tileHeight < dest.height; dy += tileHeight) + { + DrawTexturePro(texture, (Rectangle){source.x, source.y, ((float)dest.width/tileWidth)*source.width, source.height}, (Rectangle){dest.x, dest.y + dy, dest.width, (float)tileHeight}, origin, rotation, tint); + } + + // Fit last tile + if (dy < dest.height) + { + DrawTexturePro(texture, (Rectangle){source.x, source.y, ((float)dest.width/tileWidth)*source.width, ((float)(dest.height - dy)/tileHeight)*source.height}, + (Rectangle){dest.x, dest.y + dy, dest.width, dest.height - dy}, origin, rotation, tint); + } + } + else if (dest.height <= tileHeight) + { + // Tiled horizontally (one row) + int dx = 0; + for (;dx+tileWidth < dest.width; dx += tileWidth) + { + DrawTexturePro(texture, (Rectangle){source.x, source.y, source.width, ((float)dest.height/tileHeight)*source.height}, (Rectangle){dest.x + dx, dest.y, (float)tileWidth, dest.height}, origin, rotation, tint); + } + + // Fit last tile + if (dx < dest.width) + { + DrawTexturePro(texture, (Rectangle){source.x, source.y, ((float)(dest.width - dx)/tileWidth)*source.width, ((float)dest.height/tileHeight)*source.height}, + (Rectangle){dest.x + dx, dest.y, dest.width - dx, dest.height}, origin, rotation, tint); + } + } + else + { + // Tiled both horizontally and vertically (rows and columns) + int dx = 0; + for (;dx+tileWidth < dest.width; dx += tileWidth) + { + int dy = 0; + for (;dy+tileHeight < dest.height; dy += tileHeight) + { + DrawTexturePro(texture, source, (Rectangle){dest.x + dx, dest.y + dy, (float)tileWidth, (float)tileHeight}, origin, rotation, tint); + } + + if (dy < dest.height) + { + DrawTexturePro(texture, (Rectangle){source.x, source.y, source.width, ((float)(dest.height - dy)/tileHeight)*source.height}, + (Rectangle){dest.x + dx, dest.y + dy, (float)tileWidth, dest.height - dy}, origin, rotation, tint); + } + } + + // Fit last column of tiles + if (dx < dest.width) + { + int dy = 0; + for (;dy+tileHeight < dest.height; dy += tileHeight) + { + DrawTexturePro(texture, (Rectangle){source.x, source.y, ((float)(dest.width - dx)/tileWidth)*source.width, source.height}, + (Rectangle){dest.x + dx, dest.y + dy, dest.width - dx, (float)tileHeight}, origin, rotation, tint); + } + + // Draw final tile in the bottom right corner + if (dy < dest.height) + { + DrawTexturePro(texture, (Rectangle){source.x, source.y, ((float)(dest.width - dx)/tileWidth)*source.width, ((float)(dest.height - dy)/tileHeight)*source.height}, + (Rectangle){dest.x + dx, dest.y + dy, dest.width - dx, dest.height - dy}, origin, rotation, tint); + } + } + } +} |