funtion gets pixel color from raw raster

main.js

@@ -29,3 +29,18 @@ function compareColors(c1,c2){ //compare two rgba color structs
             return true;
         } else return false;
 }
+//gets color of a pixel at given coordinate
+function getPixel(pos,img) {
+
+    //pixel origin
+    let o = pos * 4;
+
+    let p = {
+        r: img[o],
+        g: img[o+1],
+        b: img[o+2],
+        a: img[o+3]
+    };
+
+    return p;
+}