working on wavs

assets/shaders/pixel.fs

@@ -12,23 +12,42 @@ uniform vec4 colDiffuse;
 out vec4 finalColor;
 
 // Viewport dimensions
-const float renderWidth = 1080;
-const float renderHeight = 720;
+const vec2 viewport = vec2(1080.0, 720.0);
+// const float renderWidth = 1080;
+// const float renderHeight = 720;
 
 // Pixel scaling
 uniform float pixelWidth = 2.0;
 uniform float pixelHeight = 2.0;
 
+// Time value, fed from CPU
+uniform float time = 0.0;
+
 void main()
 {
-    float dx = pixelWidth * (1.0 / renderWidth);
-    float dy = pixelHeight * (1.0 / renderHeight);
 
+    // Calculate the pixel to a UV
+    vec2 uv = fragTexCoord.xy / viewport.xy;
+
+    float X = uv.x * 25.0 + time;
+    float Y = uv.y * 25. + time;
+    uv.y += cos(X + Y) * 0.01 * cos(Y);
+    uv.x += sin(X-Y) * 0.01 * sin(Y); 
+
+    // Calculate the pixel merge distance
+    float dx = pixelWidth * (1.0 / viewport.x);
+    float dy = pixelHeight * (1.0 / viewport.y);
+
+    // Use UV to make wavy
+    // vec4 tc = texture(texture0, uv);
+
+    // Use UV to pixelate image
     vec2 coord = vec2(dx * floor(fragTexCoord.x / dx), dy * floor(fragTexCoord.y / dy));
+    vec3 tc = texture(texture0, coord + uv).rgb;
 
-    vec3 tc = texture(texture0, coord).rgb;
-
+    // Shift the hue to look like underwater
     tc = tc + vec3(0, 0.05, 0.15);
 
     finalColor = vec4(tc, 1.0);
+    // finalColor = tc;
 }