背景和头像缺失

cocos2d/tests/cpp-tests/Resources/Shaders/example_Flower.fsh

@@ -0,0 +1,34 @@
+// Shader from http://www.iquilezles.org/apps/shadertoy/
+
+#ifdef GL_ES
+precision highp float;
+#endif
+
+uniform vec2 center;
+uniform vec2 resolution;
+
+//float u( float x ) { return 0.5+0.5*sign(x); }
+float u( float x ) { return (x>0.0)?1.0:0.0; }
+//float u( float x ) { return abs(x)/x; }
+
+void main(void)
+{
+	float time = CC_Time[1];
+	vec2 p = 2.0 * (gl_FragCoord.xy - center.xy) / resolution.xy;
+	
+	float a = atan(p.x,p.y);
+	float r = length(p)*.75;
+
+	float w = cos(3.1415927*time-r*2.0);
+	float h = 0.5+0.5*cos(12.0*a-w*7.0+r*8.0);
+	float d = 0.25+0.75*pow(h,1.0*r)*(0.7+0.3*w);
+
+	float col = u( d-r ) * sqrt(1.0-r/d)*r*2.5;
+	col *= 1.25+0.25*cos((12.0*a-w*7.0+r*8.0)/2.0);
+	col *= 1.0 - 0.35*(0.5+0.5*sin(r*30.0))*(0.5+0.5*cos(12.0*a-w*7.0+r*8.0));
+	gl_FragColor = vec4(
+		col,
+		col-h*0.5+r*.2 + 0.35*h*(1.0-r),
+		col-h*r + 0.1*h*(1.0-r),
+		1.0);
+}