Shader cleanup

core/assets/shaders/unitbuild.fragment

@@ -0,0 +1,57 @@
+#ifdef GL_ES
+precision mediump float;
+precision mediump int;
+#endif
+
+#define step 3.0
+
+uniform sampler2D u_texture;
+
+uniform float u_time;
+uniform float u_progress;
+uniform vec4 u_color;
+uniform vec2 u_uv;
+uniform vec2 u_uv2;
+uniform vec2 u_texsize;
+
+varying vec4 v_color;
+varying vec2 v_texCoord;
+
+#define SPACE 0.75
+#define RADIUS 5.0
+
+bool cont(vec2 t, vec2 v){
+
+    for(float cx = -RADIUS; cx <= RADIUS; cx ++){
+        for(float cy = -RADIUS; cy <= RADIUS; cy ++){
+            if(cx*cx + cy*cy <= RADIUS * RADIUS && texture2D(u_texture, v_texCoord.xy + vec2(cx, cy) * v * SPACE).a <= 0.001){
+                return true;
+            }
+        }
+    }
+    return false;
+}
+
+void main() {
+    vec2 coords = (v_texCoord.xy - u_uv) / (u_uv2 - u_uv);
+    vec2 t = v_texCoord.xy;
+    vec2 v = vec2(1.0/u_texsize.x, 1.0/u_texsize.y);
+
+	vec4 c = texture2D(u_texture, v_texCoord.xy);
+	bool outl = cont(t, v);
+
+    if(1.0-abs(coords.x - 0.5)*2.0 < 1.0-u_progress && !outl){
+        c = vec4(0.0);
+    }
+
+    if(c.a > 0.01){
+        float f = abs(sin(coords.x*2.0 + u_time));
+        if(f > 0.9 || outl)
+            f = 1.0;
+        else
+            f = 0.0;
+        c = mix(c, u_color, f * u_color.a);
+    }
+
+    gl_FragColor = c * v_color;
+}