waving grid by perlin noise

2020-01-24 21:51:37 +01:00
parent 1e0e6466ee
commit 119dbd2053
2 changed files with 16 additions and 13 deletions
--- a/index.html
+++ b/index.html
@@ -104,9 +104,12 @@

            uniform mat4 MVP;
            uniform float uTime;
+            uniform sampler2D displace_map;
         
            void main(void) {
-                gl_Position = MVP * vec4(positionAttr.x,positionAttr.y,positionAttr.z + cos(positionAttr.x*8. + uTime * 0.001), 1.0);
+                vec4 displace = texture2D(displace_map, vec2(positionAttr.x,positionAttr.y));
+                gl_Position = MVP * vec4(positionAttr.x,positionAttr.y,positionAttr.z + displace.x, 1.0);
+                gl_PointSize = 10.;
            }
        </script>
 </header>