#import "Vector3D.h"
#import "TexturedPolygon.h"

@implementation Ch1_AnimateTexturedPolygon

-(CCLayer*) runRecipe {
  CGSize s = [[CCDirector sharedDirector] winSize];
        
  ccTexParams params = {GL_NEAREST, GL_NEAREST_MIPMAP_NEAREST, GL_REPEAT,GL_REPEAT};
  
  //Create grass animated textured polygon
  CGPoint grassVertexArr[] = { ccp(0,0), ccp(480,0), ccp(480,320), ccp(0,320) };
  int grassNumVerts = 4;
  NSMutableArray *grassVertices = [[NSMutableArray alloc] init];
  for(int i=0; i<grassNumVerts; i++){
    [grassVertices addObject:[NSValue valueWithCGPoint:ccp(grassVertexArr[i].x*1, grassVertexArr[i].y*1)]];
  }

  TexturedPolygon *grassPoly = [TexturedPolygon createWithFile:@"grass_tile_01.png" withVertices:grassVertices];
  [grassPoly.texture setTexParameters:&params];
  grassPoly.position = ccp(32,32);
  [self addChild:grassPoly z:1 tag:1];

  //Create swaying grass animation
  NSMutableArray *grassAnimFrames = [NSMutableArray array];
  
  //This is a two part animation with 'back' and 'forth' frames
  for(int i=0; i<=6; i++){
    [grassPoly addAnimFrameWithFile:[NSString stringWithFormat:@"grass_tile_0%d.png",i] toArray:grassAnimFrames];
  }
  for(int i=5; i>0; i--){
    [grassPoly addAnimFrameWithFile:[NSString stringWithFormat:@"grass_tile_0%d.png",i] toArray:grassAnimFrames];
  }

  CCAnimation *grassAnimation = [[CCAnimation alloc] initWithName:@"grass_tile_anim" delay:0.1f];
  for(int i=0; i<[grassAnimFrames count]; i++){
    [grassAnimation addFrame:[grassAnimFrames objectAtIndex:i]];
  }
  
  CCActionInterval *grassAnimate = [CCSequence actions: [CCAnimate actionWithAnimation:grassAnimation restoreOriginalFrame:NO], 
    [CCDelayTime actionWithDuration:0.0f], nil];
  CCActionInterval *grassRepeatAnimation = [CCRepeatForever actionWithAction:grassAnimate];
  [grassPoly runAction:grassRepeatAnimation];
  
  return self;
}

@end