Mario

Take an object with a particular color. Click on this color. Now the program will use this color as reference

Move the object. Use the menu at the top to select your effect. Now you move your object, and see the effect.

You can change on the program the number of object around the pointer. You just need to change the DISTANCE_ANGLE between each object

You can change on the program the distance between your pointer and objects. For this, change DISTANCE_CENTER