initial commit

shaders/brick.gdshader

@@ -0,0 +1,35 @@
+shader_type spatial;
+
+vec4 brickTile(vec2 _st, float _zoom, float _time){
+    _st *= _zoom;
+    float time = _time * 50.0;
+   if (fract( _st.y * 0.5) > 0.5){
+            _st.x += fract(time);
+        } else {
+            _st.x -= fract(time);
+   
+    return vec4(fract(_st), floor(_st));
+}
+}
+
+float box(vec2 _st, vec2 _size){
+    _size = vec2(0.5) - _size * 0.5;
+    vec2 uv = smoothstep(_size, _size + vec2(1e-4), _st);
+    uv *= smoothstep(_size, _size + vec2(1e-4), vec2(1.0) - _st);
+    return uv.x * uv.y;
+}
+
+float hash(vec2 p){
+    return fract(sin(dot(p, vec2(127.1, 311.7))) * 43758.5453);
+}
+
+void fragment() {
+    vec4 tile = brickTile(UV, 10.0, TIME);
+    vec2 st = tile.xy;
+    vec2 id = tile.zw;
+
+    vec3 brickColor = vec3(0.1, 0.1, 0.3);
+    float mask = box(st, vec2(0.2));
+
+    ALBEDO = brickColor * mask;
+}