GeometryDash3D/js/player.js

import { Cube } from "./Cube.js";

class Rotation {
    constructor(position) {
        this.default = position.clone();
        this.state = false;
        this.rotation = 0;
        this.jump = 0;

        this.rotationVelocity = 0.05;
        this.jumpVelocity = 0.1;

        this.lastJump = 0;
    }

    /**
     * Change the state of the animation and update the latest jump time
     * @param {number} time
     */
    changeState = (time) => {
        this.state = !this.state;
        if (time) {
            this.lastJump = time;
        }
    };

    /**
     * Change the final rotation
     * @param {number} rotation
     */
    changeRotation = (rotation) => {
        this.rotation = rotation;
    };

    /**
     * Change the final position
     * @param {number} jump
     */
    changeJump = (jump) => {
        this.jump = jump;
    };

    /**
     * Return the state of the jump
     * @returns boolean representing if the object is going up or down
     */
    falling = () => {
        return this.jump == this.default.y;
    };
}

export class Joueur extends Cube {
    constructor(color) {
        super(color);

        this.data.position.y = 0.5;
        this.data.rotation.x = this.gameRotation;
        this.movementData = new Rotation(this.data.position);
    }

    animation = () => {
        // If we jump
        if (this.movementData.state) {
            // Rotation
            this.data.rotation.y -= this.movementData.rotationVelocity;

            // If we're falling (2nd part of the jump)
            if (this.movementData.falling()) {
                // Gravity!
                this.data.position.y -= this.movementData.jumpVelocity;
            } else {
                // If we're jumping (1st part of the jump) : jumping
                this.data.position.y += this.movementData.jumpVelocity;

                // Check if the jump stop and we need to goes down
                if (this.data.position.y >= this.movementData.jump) {
                    this.movementData.changeJump(this.movementData.default.y);
                }
            }

            // End of the rotation
            if (this.data.rotation.y <= this.movementData.rotation) {
                // Force the final rotation
                this.data.rotation.y = this.movementData.rotation;

                // Force the end of the jump
                this.data.position.y = this.movementData.default.y;

                // End
                this.movementData.changeState();
            }
        }
    };

    controlUser = (key) => {
        const now = Date.now();
        if (
            key.code == "Space" &&
            !this.movementData.state &&
            now - this.movementData.lastJump > 400
        ) {
            this.movementData.changeRotation(
                this.data.rotation.y - Math.PI / 2
            );
            this.movementData.changeJump(this.data.position.y + Math.PI / 2);
            this.movementData.changeState(now);
        }
    };
}