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Cocos2d Tiled Sprite: Creates a tiled sprite from the source sprite's texture, tiling it or clipping it to the desired width and height.
//
// Cocos2d Tiled Sprite
//
// Ebyan Alvarez-Buylla
// http://www.nolithius.com
//
// Creates a tiled sprite from the source sprite's texture, tiling it or clipping it to the desired width and height.
// Usage: [[TiledSprite alloc] initWithSprite:spriteWithTextureOrSubtexture width:640 height:480];
//
// Further details and screenshot at:
// http://www.nolithius.com/game-development/cocos2d-iphone-repeating-sprite
//
// License: Public Domain. Enjoy!
//
#import "cocos2d.h"
@interface TiledSprite : CCSprite
{
int width;
int height;
}
- (id) initWithSprite:(CCSprite*)p_sprite width:(int)p_width height:(int)p_height;
@end
//
// Cocos2d Tiled Sprite
//
// Ebyan Alvarez-Buylla
// http://www.nolithius.com
//
// Creates a tiled sprite from the source sprite's texture, tiling it or clipping it to the desired width and height.
// Usage: [[TiledSprite alloc] initWithSprite:spriteWithTextureOrSubtexture width:640 height:480];
//
// Further details and screenshot at:
// http://www.nolithius.com/game-development/cocos2d-iphone-repeating-sprite
//
// License: Public Domain. Enjoy!
//
#import "TiledSprite.h"
@implementation TiledSprite
- (id) initWithSprite:(CCSprite *)p_sprite width:(int)p_width height:(int)p_height
{
if (self = [super init])
{
// Only bother doing anything if the sizes are positive
if (p_width > 0 && p_height > 0)
{
CGRect spriteBounds = p_sprite.textureRect;
int sourceX = spriteBounds.origin.x;
int sourceY = spriteBounds.origin.y;
int sourceWidth = spriteBounds.size.width;
int sourceHeight = spriteBounds.size.height;
CCTexture2D* texture = p_sprite.texture;
// Case 1: both width and height are smaller than source sprite, just clip
if (p_width <= sourceWidth && p_height <= sourceHeight)
{
CCSprite* sprite = [CCSprite spriteWithTexture:texture rect:CGRectMake(sourceX, sourceY + sourceHeight - p_height, p_width, p_height)];
sprite.anchorPoint = ccp(0, 0);
[self addChild:sprite];
}
// Case 2: only width is larger than source sprite
else if (p_width > sourceWidth && p_height <= sourceHeight)
{
// Stamp sideways until we can
int ix = 0;
while (ix < p_width - sourceWidth)
{
CCSprite* sprite = [CCSprite spriteWithTexture:texture rect:CGRectMake(sourceX, sourceY + sourceHeight - p_height, sourceWidth, p_height)];
sprite.anchorPoint = ccp(0, 0);
sprite.position = ccp(ix, 0);
[self addChild:sprite];
ix += sourceWidth;
}
// Stamp the last one
CCSprite* sprite = [CCSprite spriteWithTexture:texture rect:CGRectMake(sourceX, sourceY + sourceHeight - p_height, p_width - ix, p_height)];
sprite.anchorPoint = ccp(0, 0);
sprite.position = ccp(ix, 0);
[self addChild:sprite];
}
// Case 3: only height is larger than source sprite
else if (p_height >= sourceHeight && p_width <= sourceWidth)
{
// Stamp down until we can
int iy = 0;
while (iy < p_height - sourceHeight)
{
CCSprite* sprite = [CCSprite spriteWithTexture:texture rect:CGRectMake(sourceX, sourceY, p_width, sourceHeight)];
sprite.anchorPoint = ccp(0, 0);
sprite.position = ccp(0, iy);
[self addChild:sprite];
iy += sourceHeight;
}
// Stamp the last one
int remainingHeight = p_height - iy;
CCSprite* sprite = [CCSprite spriteWithTexture:texture rect:CGRectMake(sourceX, sourceY + sourceHeight - remainingHeight, p_width, remainingHeight)];
sprite.anchorPoint = ccp(0, 0);
sprite.position = ccp(0, iy);
[self addChild:sprite];
}
// Case 4: both width and height are larger than source sprite (Composite together several Case 2's, as needed)
else
{
// Stamp down until we can
int iy = 0;
while (iy < p_height - sourceHeight)
{
TiledSprite* sprite = [[TiledSprite alloc] initWithSprite:p_sprite width:p_width height:sourceHeight];
sprite.anchorPoint = ccp(0, 0);
sprite.position = ccp(0, iy);
[self addChild:sprite];
iy += sourceHeight;
}
// Stamp the last one
TiledSprite* sprite = [[TiledSprite alloc] initWithSprite:p_sprite width:p_width height:p_height - iy];
sprite.anchorPoint = ccp(0, 0);
sprite.position = ccp(0, iy);
[self addChild:sprite];
}
}
}
return self;
}
@end
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