stuff

modules/wallpaper-engine/effects/scroll/preview/shaders/effects/scroll.frag

@@ -0,0 +1,10 @@
+
+varying vec2 v_TexCoord;
+varying vec2 v_Scroll;
+
+uniform sampler2D g_Texture0; // {"material":"Framebuffer","hidden":true}
+
+void main() {
+	vec2 texCoord = frac(v_TexCoord + v_Scroll);
+	gl_FragColor = texSample2D(g_Texture0, texCoord);
+}

modules/wallpaper-engine/effects/scroll/preview/shaders/effects/scroll.vert

@@ -0,0 +1,21 @@
+
+uniform mat4 g_ModelViewProjectionMatrix;
+uniform float g_Time;
+
+uniform float g_ScrollX; // {"material":"Speed X","default":0.2,"range":[-2,2]}
+uniform float g_ScrollY; // {"material":"Speed Y","default":0.2,"range":[-2,2]}
+
+attribute vec3 a_Position;
+attribute vec2 a_TexCoord;
+
+varying vec2 v_TexCoord;
+varying vec2 v_Scroll;
+
+void main() {
+	gl_Position = mul(vec4(a_Position, 1.0), g_ModelViewProjectionMatrix);
+	v_TexCoord = a_TexCoord;
+	
+	vec2 scroll = vec2(g_ScrollX, g_ScrollY);
+	scroll = sign(scroll) * pow(vec2(g_ScrollX, g_ScrollY), CAST2(2.0));
+	v_Scroll = scroll * g_Time;
+}