Cryo tiles (#6054)

* Cryo tile

* tile name

* Shader

* Icon and property

core/assets/shaders/cryofluid.frag

@@ -0,0 +1,35 @@
+#define HIGHP
+
+//shades of cryofluid
+#define S1 vec3(53.0, 83.0, 93.0) / 100.0
+#define S2 vec3(68.0, 90.0, 97.0) / 100.0
+#define NSCALE 100.0 / 2.0
+
+uniform sampler2D u_texture;
+uniform sampler2D u_noise;
+
+uniform vec2 u_campos;
+uniform vec2 u_resolution;
+uniform float u_time;
+
+varying vec2 v_texCoords;
+
+const float shakeScl = 20.0;
+
+void main(){
+    vec2 c = v_texCoords.xy;
+    vec2 coords = vec2(c.x * u_resolution.x + u_campos.x, c.y * u_resolution.y + u_campos.y);
+
+    float btime = u_time / 3000.0;
+    float wave = abs(sin(coords.x * 1.1 + coords.y) + 0.1 * sin(2.5 * coords.x) + 0.15 * sin(3.0 * coords.y)) / 30.0;
+    float noise = wave + (texture2D(u_noise, (coords) / NSCALE + vec2(btime) * vec2(-0.2, 0.8)).r + texture2D(u_noise, (coords) / NSCALE + vec2(btime * 1.1) * vec2(0.8, -1.0)).r) / 2.0;
+    vec4 color = texture2D(u_texture, c);
+
+    if (noise > 0.55 && noise < 0.56) {
+        color.rgb = S2;
+    } else if (noise > 0.50 && noise < 0.60){
+        color.rgb = S1;
+    }
+
+    gl_FragColor = color;
+}