Press Q to change a dot's position. Press W to hide the "Dots" variable. Press E to see the distance a dot is from the center. Press R to hide the green circle. Reduces lag. The Red Line is the X Line. The Orange Line is the Y Line. The Blue Line is the Distance Between the Center and the Dot. The Black Dot is the Target. The Gray Dot Marks the Change of X to Y or Y to X.
Will be used in a project I am working on, mostly for collision detection, probably. I'm not sure if this is a perfect distance calculator or not. Note: If used too frequently, it will lag.