Shader maker animated texture

gistfile1.txt

// simple vertex shader

varying vec2 texCoord;
uniform float time;

void main()
{
	gl_Position    = gl_ModelViewProjectionMatrix * gl_Vertex;
	gl_FrontColor  = gl_Color;
	gl_TexCoord[0] = gl_MultiTexCoord0;
	texCoord = vec2(gl_MultiTexCoord0);
	texCoord.x += time;
}


// simple fragment shader

// 'time' contains seconds since the program was linked.
uniform float time;
uniform sampler2D myTexture;
varying vec2 texCoord;

vec3 dots() {
  float frequency = 0.5;
    vec2 nearest = 3.0*fract(frequency * texCoord) - 1.5;
    float dist = length(nearest);
    float radius = 1.0;
	vec3 white = vec3(1.0, 1.0, 1.0);
    vec3 dotCol = vec3(7.0, 3.0, 1.0);
    return mix(dotCol, white, smoothstep(radius, radius+0.05, dist));
}

void main()
{
	vec4 color = vec4(0.5);
	vec4 texel = texture2D(myTexture, texCoord);
	//gl_FragColor = vec4(1.0, 1.0, 0.0, 1.0);
	
	if (texCoord.y > 2.0) {
		texel.rgb = vec3(0.2) * dots();
	} else {
		texel.rgb = vec3(0.5);// * dots();
	}
	if (texCoord.x < 0.5) {
		color.rbg = vec3(1.0, 0.2, 0.2);
	}
	
	
	gl_FragColor = texel * color;
}