: Most implementations use a "drag-and-release" mouse interaction to determine power and angle. Relevant OpenProcessing Projects
In this context, open processing means:
If you are seeking an "open processing ragdoll archers" sketch: open processing ragdoll archers link
// The "Link" - A revolute constraint for the shoulder let shoulder = Bodies.circle(x, y, 15); let upperArm = Bodies.rectangle(x+20, y, 40, 15); let constraint = Constraint.create( bodyA: shoulder, bodyB: upperArm, pointA: x: 0, y: 0 , pointB: x: -20, y: 0 , stiffness: 0.8 // The "link" strength ); let upperArm = Bodies.rectangle(x+20