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bin/main/shaders/turretrange.frag

@@ -0,0 +1,28 @@
+#define HIGHP
+
+uniform sampler2D u_texture;
+uniform vec2 u_texsize;
+uniform vec2 u_invsize;
+uniform float u_time;
+uniform float u_dp;
+uniform vec2 u_offset;
+varying vec2 v_texCoords;
+
+void main(){
+    vec2 T = v_texCoords.xy;
+    vec2 coords = (T * u_texsize) + u_offset;
+    vec4 color = texture2D(u_texture, T);
+	vec2 v = u_invsize;
+    vec4 maxed = max(max(max(
+        texture2D(u_texture, T + vec2(0, 2.0) * v),
+        texture2D(u_texture, T + vec2(0, -2.0) * v)),
+        texture2D(u_texture, T + vec2(2.0, 0) * v)),
+        texture2D(u_texture, T + vec2(-2.0, 0) * v));
+
+	if(texture2D(u_texture, T).a < 0.9 && maxed.a > 0.9){
+		gl_FragColor = vec4(maxed.rgb, maxed.a * 100.0);
+	}else{
+        color.a *= (0.37 + abs(sin(u_time / 15.0)) * .05 + 0.2 * (step(mod(coords.x / u_dp + coords.y / u_dp + u_time / 4.0, 10.0), 3.0)));
+        gl_FragColor = color;
+    }
+}