stuff

modules/wallpaper-engine/shaders/brushpreview.frag

@@ -0,0 +1,16 @@
+
+uniform vec4 g_RenderVar0;
+
+varying vec2 g_TexCoord;
+
+void main() {
+	float dist = length(g_TexCoord - CAST2(0.5)) / 0.5;
+	
+	//dist = smoothstep(1 - 0.4999 * g_RenderVar0.y, 0.4999 * g_RenderVar0.y, dist);
+	float delta = (1 - 0.4999 * g_RenderVar0.y) - (0.4999 * g_RenderVar0.y);
+	dist = (dist - 0.4999 * g_RenderVar0.y) / delta;
+	dist = 1.0 - max(0, min(1, dist));
+	
+	dist = max(0, min(1, dist));
+	gl_FragColor = vec4(vec3(1, 0, 0), dist * g_RenderVar0.x);
+}