RPG Maker Forums

	function ChangeColorPallete(usedColors, newColors, epsilon){
		var vertexSrc = [
			'attribute vec2 aVertexPosition;',
			'attribute vec2 aTextureCoord;',
			'uniform mat3 projectionMatrix;',
			'varying vec2 vTextureCoord;',

			'void main(void){',
			'	gl_Position = vec4((projectionMatrix * vec3(aVertexPosition, 1.0)).xy, 0.0, 1.0);',
			'	vTextureCoord = aTextureCoord;',
			'}'
    	].join('\n');

     	var fragmentSrc = [
			 'varying vec2 vTextureCoord;',
			 'uniform sampler2D texture;',
			 'uniform vec3 originalColor[10];',
			 'uniform vec3 newColor[10];',
			 'uniform float epsilon;',

			 'void main(void) {',
			 '	vec4 currentColor = texture2D(texture, vTextureCoord);',
			 '	if (currentColor.r - originalColor[0].r < epsilon && currentColor.g - originalColor[0].g < epsilon && currentColor.b - originalColor[0].b < epsilon)',
			 '		gl_FragColor = vec4(newColor[0].r, newColor[0].g, newColor[0].b, currentColor.a);',
			 ' 	else if (currentColor.r - originalColor[1].r < epsilon && currentColor.g - originalColor[1].g < epsilon && currentColor.b - originalColor[1].b < epsilon)',
			 '		gl_FragColor = vec4(newColor[1].r, newColor[1].g, newColor[1].b, currentColor.a);',
			 ' 	else if (currentColor.r - originalColor[2].r < epsilon && currentColor.g - originalColor[2].g < epsilon && currentColor.b - originalColor[2].b < epsilon)',
			 '		gl_FragColor = vec4(newColor[2].r, newColor[2].g, newColor[2].b, currentColor.a);',
			 ' 	else if (currentColor.r - originalColor[3].r < epsilon && currentColor.g - originalColor[3].g < epsilon && currentColor.b - originalColor[3].b < epsilon)',
			 '		gl_FragColor = vec4(newColor[3].r, newColor[3].g, newColor[3].b, currentColor.a);',
			 ' 	else if (currentColor.r - originalColor[4].r < epsilon && currentColor.g - originalColor[4].g < epsilon && currentColor.b - originalColor[4].b < epsilon)',
			 '		gl_FragColor = vec4(newColor[4].r, newColor[4].g, newColor[4].b, currentColor.a);',
			 ' 	else if (currentColor.r - originalColor[5].r < epsilon && currentColor.g - originalColor[5].g < epsilon && currentColor.b - originalColor[5].b < epsilon)',
			 '		gl_FragColor = vec4(newColor[5].r, newColor[5].g, newColor[5].b, currentColor.a);',
			 ' 	else if (currentColor.r - originalColor[6].r < epsilon && currentColor.g - originalColor[6].g < epsilon && currentColor.b - originalColor[6].b < epsilon)',
			 '		gl_FragColor = vec4(newColor[6].r, newColor[6].g, newColor[6].b, currentColor.a);',
			 ' 	else if (currentColor.r - originalColor[7].r < epsilon && currentColor.g - originalColor[7].g < epsilon && currentColor.b - originalColor[7].b < epsilon)',
			 '		gl_FragColor = vec4(newColor[7].r, newColor[7].g, newColor[7].b, currentColor.a);',
			 ' 	else if (currentColor.r - originalColor[8].r < epsilon && currentColor.g - originalColor[8].g < epsilon && currentColor.b - originalColor[8].b < epsilon)',
			 '		gl_FragColor = vec4(newColor[8].r, newColor[8].g, newColor[8].b, currentColor.a);',
			 ' 	else if (currentColor.r - originalColor[9].r < epsilon && currentColor.g - originalColor[9].g < epsilon && currentColor.b - originalColor[9].b < epsilon)',
			 '		gl_FragColor = vec4(newColor[9].r, newColor[9].g, newColor[9].b, currentColor.a);',
			 '}'
     	].join('\n');
		PIXI.Filter.call(this, vertexSrc, fragmentSrc);

		this.uniforms.epsilon = epsilon;
		console.log(this);
		this.uniforms.originalColor = usedColors;
		this.uniforms.newColor = newColors;
	}

	ChangeColorPallete.prototype = Object.create(PIXI.Filter.prototype);
	ChangeColorPallete.prototype.constructor = ChangeColorPallete;

	Object.defineProperty(ChangeColorPallete.prototype, 'epsilon', {
  		set: function (value) {
    		this.uniforms.epsilon = value;
			console.log(value);
 		}
	});

	Object.defineProperty(ChangeColorPallete.prototype, 'originalColor', {
  		set: function (value) {
			var colors = [10]  
			var emptyValue = new Float32Array([0, 0, 0])
			for (var i = 0; i < 10; i++){
				var nvalue = new Float32Array([1, 1, 1]);
				if (value.length > i)
					nvalue = value[i];
				colors[i] = {type: "v3v", value:[{x:nvalue[0], y: nvalue[1], z: nvalue[2]}]};
			}  
			console.log(this.uniforms);
    		this.uniforms.originalColor = colors;
			
  		}
	});

		Object.defineProperty(ChangeColorPallete.prototype, 'newColor', {
  			set: function (value) {
				  console.log(value);
    			var colors = [10]  
			var emptyValue = new Float32Array([0, 0, 0])
			for (var i = 0; i < 10; i++){
				var nvalue = new Float32Array([1, 1, 1]);
				if (value.length > i)
					nvalue = value[i];
				colors[i] = {type: "v3v", value:[{x:nvalue[0], y: nvalue[1], z: nvalue[2]}]};
			}  
			console.log(this.uniforms);
    		this.uniforms.newColor = colors;
  			}
	});