yichael_rhythmmaster/RhythmMaster/assets/script/page/game_page/Block.ts

import GamePage from "../GamePage";
import GameConfig from "../../GameConfig";

const {ccclass, property} = cc._decorator;

/**方块基类 */
@ccclass
export default class Block extends cc.Component {
    @property({type: cc.Sprite})
    private face: cc.Sprite = null;
    @property({type: cc.SpriteFrame})
    private face_sp: cc.SpriteFrame[] = [];

    private type: Type;
    private config: BlockConfig;

    beat: number;//节奏时间点
    index: number;
    startTime: number = 0;
    existTime: number = 0;
    hasLogReachTime: boolean = false;

    static seed: number = 0;

    init(beat: number) {
        this.beat = beat;
        let random = Math.random();
        this.index = random < 0.3 ? 0 : (random < 0.8 ? 1 : 2);
        this.startTime = beat - GameConfig.block_come_time;
        this.existTime = 0;
        this.hasLogReachTime = false;

        //如果长节拍存在，之后的方块节拍会在别的道路产出，不会占用同一道路
        if (GamePage.instance.block_long.visiable) {
            let indexes = [];
            for (let i = 0; i < 3; i++) {
                if (i != GamePage.instance.block_long.index) {
                    indexes.push(i);
                } 
            }
            this.index = indexes[Math.random() * indexes.length << 0];
        }

        this.config = GameConfig.block_configs[this.index];

        this.type = Block.seed % 2 == 0 ? Type.blue : Type.orange;
        Block.seed++;

        if (this.index == 1) {
            if (this.type == Type.blue) {
                this.face.spriteFrame = this.face_sp[0];
                this.face.node.setPosition(21.216, -104.576); //纠正新美术资源偏差
            } else if (this.type == Type.orange) {
                this.face.spriteFrame = this.face_sp[2];
                this.face.node.setPosition(0, -97.419); //纠正新美术资源偏差
            }
        } else {
            if (this.type == Type.blue) {
                this.face.spriteFrame = this.face_sp[1];
                this.face.node.setPosition(-8, -104.69); //纠正新美术资源偏差
            } else if (this.type == Type.orange) {
                this.face.spriteFrame = this.face_sp[3];
                this.face.node.setPosition(0, -97.69); //纠正新美术资源偏差
            }
        }
        
        this.node.setPosition(this.config.first_pos);
        this.node.setScale(this.config.first_scale);

        if (GameConfig.block_motion_type < 0) {
            this.node.runAction(cc.sequence(
                cc.spawn(
                    cc.moveTo(
                        this.config.move_time, 
                        this.config.final_pos
                    ).easing(cc.easeIn(this.config.ease_rate)),
                    cc.scaleTo(
                        this.config.move_time, 
                        this.config.final_scale.x, 
                        this.config.final_scale.y
                    ).easing(cc.easeIn(this.config.ease_rate))
                ),
                cc.callFunc(this.removeSelf, this)
            ));
        }
    }

    update(dt: number) {
        this.existTime += dt;
        this.node.zIndex = cc.winSize.height / 2 - this.node.y;

        if (GameConfig.block_motion_type >= 0) {
            let audioCurrentTime = cc.audioEngine.getCurrentTime(GamePage.instance.music_id);
            let t = 0;
            if (audioCurrentTime == 0) {
                t = Date.now() - GamePage.instance.startTime - this.startTime;   
            } else {
                t = audioCurrentTime - this.startTime;
            }
            let distance = GameConfig.seekDistance(this.config.acc, t);
            let vector = this.config.final_pos.sub(this.config.first_pos);
            let mul = distance / vector.mag();
            if (mul < 1) {
                this.node.setPosition(this.config.first_pos.add(vector.mul(mul)));
                this.node.setScale(this.config.final_scale.sub(this.config.first_scale).mul(mul));
                if (this.existTime > 5) {
                    this.removeSelf();
                }
            } else {
                this.removeSelf();
            }
        }
        
        //输出方块到达击打线的所需时间
        if (CC_DEBUG && !this.hasLogReachTime && this.node.y <= GameConfig.end_line_y + 3) {
            this.hasLogReachTime = true;
            // console.log(this.existTime);
        }
    }

    removeSelf() {
        GamePage.instance.putBlock(this.node);
        GamePage.instance.miss();
        GamePage.instance.countOverBeat(1);
    }

    /**判断是否在击打区域 */
    canHit(index: number) {
        let faultTolerance = 120;//容错距离
        if (
            this.index == index && 
            this.node.y <= GameConfig.end_line_y + faultTolerance * 1.5 && 
            this.node.y > GameConfig.fianl_line_y - faultTolerance * 0.5
        ) {
            return true;
        } else {
            return false;
        }
    }

    /**添加打击碰撞特效 */
    addCollision() {
        this.node.stopAllActions();
        GamePage.instance.putBlock(this.node);
        // GamePage.instance.hit();
        // GamePage.instance.countHitBeat(1);
        GamePage.instance.countOverBeat(1);
        
        let c: dragonBones.ArmatureDisplay = null;
        if (this.type == Type.blue) {
            c = GamePage.instance.collision1s[this.index];
        } else if (this.type == Type.orange) {
            c = GamePage.instance.collision2s[this.index];
        }
        c.node.active = true;
        let config = GameConfig.collision_configs[this.index];
        // let rate = (GameConfig.end_line_y - this.node.y) / (GameConfig.end_line_y + cc.winSize.height / 2);
        // let scale = rate * 0.2 + 1;
        // c.node.setPosition(this.node.getPosition());
        // c.node.setScale(config.scaleX * scale, config.scaleY * scale);

        // c.node.setScale(config.scaleX, config.scaleY);
        // c.node.setPosition(this.node.x, GameConfig.end_line_y);
        c.node.setScale(config.scaleX * this.node.scaleY, config.scaleY * this.node.scaleY);
        c.node.setPosition(this.node.x, this.node.y + 50 * this.node.scaleY);
        c.playAnimation("01", 1);
    }
}
enum Type {
    blue,
    orange
}