Create Scanlines.fsh

assets/shaders/Scanlines.fsh

@@ -0,0 +1,22 @@
+//Simple Scanlines shader
+
+
+#ifdef GL_ES
+precision mediump float;
+precision mediump int;
+#endif
+
+uniform sampler2D sampler0;
+float offset = 1.0;
+float frequency = 170.0;
+
+varying vec2 v_texcoord0;
+
+void main()
+{
+    float pos0 = (v_texcoord0.y + offset) * frequency;
+    float pos1 = cos((fract( pos0 ) - 0.5)*3.14);
+    vec4 pel = texture2D( sampler0, v_texcoord0 );
+
+    gl_FragColor = mix(vec4(0,0,0,0), pel, pos1);
+}