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claw-machine-js

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A physics based claw-machine simulation

github.com/bhalbritter/clawjs

bhalbritter/clawjs

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import { IClaw } from '../interfaces/Claw.ts'; import { IBall } from '../interfaces/Ball.ts'; import { ICollisionPoints } from '../interfaces/ICollisionPoints.ts'; import { IInitialBall } from '../interfaces/InitialBall.ts'; /** * calculates the collision points for the claw and the divider line * * @param claw the current claw * @param clawSize the size of the claw * @param clawWidth the width of the claw * @param width the width of the canvas * @param height the height of the canvas * @param dividerLineWidth the space width on the right side of the canvas * @param dividerLineThickness the thickness of the divider line itself * @param dividerLineHeight the height of the divider line */ export declare const getCollisionPoints: (claw: IClaw, clawSize: number, clawWidth: number, width: number, height: number, dividerLineWidth: number, dividerLineThickness: number, dividerLineHeight: number) => ICollisionPoints; /** * iterates through all balls and calculates the new positions after the collision with other balls * * @param balls the list of all balls in the machine * @param gravity the current gravity effecting all balls * @param width the width of the claw machine * @param height the height of the claw machine * @param friction the friction if the ball hits another ball * @param groundFriction friction if a ball hits the ground * @param handleClawTouchedBall function that if called, if a ball touches the inner claw * @param claw the current claw * @param collisionPoints object that contains all points of the canvas edges, the claw and the divider line to calculate the collisions */ export declare const calculateNewBallPositionsAfterCollision: (balls: IBall[], gravity: number, width: number, height: number, friction: number, groundFriction: number, handleClawTouchedBall: () => void, claw: IClaw, collisionPoints: ICollisionPoints) => IBall[]; /** * checks if there are balls inside the claw if the claw reaches the upper height of the canvas * * @param balls all balls in the machine * @param dividerLineHeight the height of the divider line */ export declare const checkIfOneOrMoreBallsAreAllGrabbed: (balls: IBall[], dividerLineHeight: number) => boolean; /** * calculates the new claw y position to reach the targetY position * * @param claw the current claw * @param clawStartPositionY the idle height of the claw */ export declare const calculateNewClawYPosition: (claw: IClaw, clawStartPositionY: number) => void; /** * calculates the new claw x position to reach the targetX position * * @param claw the current claw * @param width the with of the claw machine */ export declare const calculateNewClawXPosition: (claw: IClaw, width: number) => void; /** * calculates the new claw angle to reach the target Angle * * @param claw the current claw */ export declare const calculateNewClawAnglePosition: (claw: IClaw) => void; /** * creates the initial Balls array for array and skips balls that have already been dropped * * @param balls list of all balls inside the machine * @param alreadyDroppedBalls list of already dropped balls * @param width with of the claw machine * @param height height of the claw machine * @param ballRadius standard Radius for the balls (used if no individual ball radius provided) * @param dividerLineWidth width of the drop zone on the right side */ export declare const createInitialBalls: (balls: IInitialBall[], alreadyDroppedBalls: IBall[], width: number, height: number, ballRadius: number, dividerLineWidth: number) => IBall[];