gistfile1.m

const GLchar *blurFragment =
"uniform sampler2D inputImageTexture;\n\
uniform highp float texelWidthOffset;\n\
uniform highp float texelHeightOffset;\n\
\n\
varying highp vec2 blurCoordinates[15];\n\
varying vec4 v_fragmentColor;\n\
\n\
void main()\n\
{\n\
lowp vec4 sum = vec4(0.0);\n\
sum += texture2D(inputImageTexture, blurCoordinates[0]) * 0.040892;\n\
sum += texture2D(inputImageTexture, blurCoordinates[1]) * 0.080769;\n\
sum += texture2D(inputImageTexture, blurCoordinates[2]) * 0.080769;\n\
sum += texture2D(inputImageTexture, blurCoordinates[3]) * 0.076840;\n\
sum += texture2D(inputImageTexture, blurCoordinates[4]) * 0.076840;\n\
sum += texture2D(inputImageTexture, blurCoordinates[5]) * 0.070242;\n\
sum += texture2D(inputImageTexture, blurCoordinates[6]) * 0.070242;\n\
sum += texture2D(inputImageTexture, blurCoordinates[7]) * 0.061699;\n\
sum += texture2D(inputImageTexture, blurCoordinates[8]) * 0.061699;\n\
sum += texture2D(inputImageTexture, blurCoordinates[9]) * 0.052076;\n\
sum += texture2D(inputImageTexture, blurCoordinates[10]) * 0.052076;\n\
sum += texture2D(inputImageTexture, blurCoordinates[11]) * 0.042234;\n\
sum += texture2D(inputImageTexture, blurCoordinates[12]) * 0.042234;\n\
sum += texture2D(inputImageTexture, blurCoordinates[13]) * 0.032912;\n\
sum += texture2D(inputImageTexture, blurCoordinates[14]) * 0.032912;\n\
highp vec2 singleStepOffset = vec2(texelWidthOffset, texelHeightOffset);\n\
sum += texture2D(inputImageTexture, blurCoordinates[0] + singleStepOffset * 15.461327) * 0.024645;\n\
sum += texture2D(inputImageTexture, blurCoordinates[0] - singleStepOffset * 15.461327) * 0.024645;\n\
sum += texture2D(inputImageTexture, blurCoordinates[0] + singleStepOffset * 17.456362) * 0.017732;\n\
sum += texture2D(inputImageTexture, blurCoordinates[0] - singleStepOffset * 17.456362) * 0.017732;\n\
sum += texture2D(inputImageTexture, blurCoordinates[0] + singleStepOffset * 19.451405) * 0.012260;\n\
sum += texture2D(inputImageTexture, blurCoordinates[0] - singleStepOffset * 19.451405) * 0.012260;\n\
sum += texture2D(inputImageTexture, blurCoordinates[0] + singleStepOffset * 21.446457) * 0.008144;\n\
sum += texture2D(inputImageTexture, blurCoordinates[0] - singleStepOffset * 21.446457) * 0.008144;\n\
gl_FragColor = sum;\n\
}\n\
";

const GLchar *blurVertex =
"attribute vec4 position;\n\
attribute vec a_color;\n\
attribute vec4 inputTextureCoordinate;\n\
\n\
uniform float texelWidthOffset;\n\
uniform float texelHeightOffset;\n\
\n\
varying vec2 blurCoordinates[15];\n\
\n\
void main()\n\
{\n\
gl_Position = position;\n\
\n\
vec2 singleStepOffset = vec2(texelWidthOffset, texelHeightOffset);\n\
blurCoordinates[0] = inputTextureCoordinate.xy;\n\
blurCoordinates[1] = inputTextureCoordinate.xy + singleStepOffset * 1.496250;\n\
blurCoordinates[2] = inputTextureCoordinate.xy - singleStepOffset * 1.496250;\n\
blurCoordinates[3] = inputTextureCoordinate.xy + singleStepOffset * 3.491251;\n\
blurCoordinates[4] = inputTextureCoordinate.xy - singleStepOffset * 3.491251;\n\
blurCoordinates[5] = inputTextureCoordinate.xy + singleStepOffset * 5.486253;\n\
blurCoordinates[6] = inputTextureCoordinate.xy - singleStepOffset * 5.486253;\n\
blurCoordinates[7] = inputTextureCoordinate.xy + singleStepOffset * 7.481259;\n\
blurCoordinates[8] = inputTextureCoordinate.xy - singleStepOffset * 7.481259;\n\
blurCoordinates[9] = inputTextureCoordinate.xy + singleStepOffset * 9.476268;\n\
blurCoordinates[10] = inputTextureCoordinate.xy - singleStepOffset * 9.476268;\n\
blurCoordinates[11] = inputTextureCoordinate.xy + singleStepOffset * 11.471281;\n\
blurCoordinates[12] = inputTextureCoordinate.xy - singleStepOffset * 11.471281;\n\
blurCoordinates[13] = inputTextureCoordinate.xy + singleStepOffset * 13.466302;\n\
blurCoordinates[14] = inputTextureCoordinate.xy - singleStepOffset * 13.466302;\n\
v_fragmentColor = a_color;\n\
}\n";

@implementation GameView

@synthesize wordcounterTexture, wordlists, touchBeginTile, highscores, score=score;

#pragma mark Setup
- (id)init
{
	if ((self = [super init]))
    {
        CCGLProgram *shaderProgram = [[CCGLProgram alloc] initWithVertexShaderByteArray:blurVertex fragmentShaderByteArray:blurFragment];
        
        [shaderProgram addAttribute:@"position" index:kCCVertexAttrib_Position];
        [shaderProgram addAttribute:@"color" index:kCCVertexAttrib_Color];
        [shaderProgram addAttribute:@"inputTextureCoordinate" index:kCCVertexAttrib_TexCoords];
        
        [shaderProgram link];
        [shaderProgram updateUniforms];
        [[CCShaderCache sharedShaderCache] addProgram:shaderProgram forKey:@"BlurShader"];
        self.shaderProgram = shaderProgram;