Initial Android commit

tv2_shader.gdshader

@@ -0,0 +1,51 @@
+shader_type canvas_item;
+
+uniform float scanline_count : hint_range(0, 1800) = 50.0;
+
+vec2 uv_curve(vec2 uv)
+{
+	float rotation = -3.1415/8f;
+	uv = (uv - 0.5) * 2.0;
+	
+	//You can modify the numbers and try different values
+	uv.x *= 1.0 + pow(abs(uv.y) / 3.0, 2.0);
+	uv.y *= 1.0 + pow(abs(uv.x) / 3.0, 2.0);
+	
+	//The scale part (you can delete it when you want)
+	uv /= 1.2;
+	
+	uv = (uv/2.0) + 0.5;
+	vec2 pivot=vec2(0.5);
+	float sine = sin(rotation);
+    float cosine = cos(rotation);
+	uv -= pivot;
+    uv.x = uv.x * cosine - uv.y * sine;
+    uv.y = uv.x * sine + uv.y * cosine;
+    uv += pivot;
+	return uv;
+}
+
+
+void fragment()
+{	
+	float PI = 3.14159;
+	
+	//You can modify the *3.0, *-3.0 for a bigger or smaller 
+	float r = texture(TEXTURE, uv_curve(SCREEN_UV) + vec2(SCREEN_PIXEL_SIZE.x*0.0), 0.0).r;
+	float g = texture(TEXTURE, uv_curve(SCREEN_UV) + vec2(SCREEN_PIXEL_SIZE.x*0.5), 0.0).g;
+	float b = texture(TEXTURE, uv_curve(SCREEN_UV) + vec2(SCREEN_PIXEL_SIZE.x*-0.5), 0.0).b;
+	
+	
+	//If you dont want scanlines you can just delete this part
+	float s = sin(uv_curve(SCREEN_UV).y * scanline_count * PI * 2.0);
+	s = (s * 0.5 + 0.5) * 0.9 + 0.1;
+	vec4 scan_line = vec4(vec3(pow(s, 0.25)), 1.0);
+	
+	vec4 text=vec4(r, g, b, 1.0) * scan_line;
+	vec4 newColor=texture(TEXTURE,UV);
+	if (newColor.a>0.0){
+		newColor = text;
+	}
+	COLOR=newColor;
+	
+}