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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,82 +1 @@ | ||
| class SingleNote { | ||
| constructor(speed, reachTime) { | ||
| this.height = note.height; | ||
| this.width = note.width; | ||
| this.frameColor = 'rgb(' + note.frameColor + ')'; | ||
| this.bodyColor = 'rgba(' + note.bodyColor + ')'; | ||
| this.canterY = -this.height; | ||
| this.speed = speed * note.speedRatio; // px/ms | ||
| this.reachTime = reachTime + note.delay; // ゲーム開始時からjudgeLineに到達するまでの時間 | ||
| this.appearTime = this.reachTime - (JUDGE_LINE.centerY + this.height / 2) / this.speed; // canvasに入る時間 | ||
| this.hideTime = this.reachTime + (CANVAS_H - JUDGE_LINE.centerY + this.height / 2) / this.speed; // canvasから出る時間 | ||
| this.act = true; // 自身がヒット処理対象かどうか | ||
| this.show = false; // 自身がcanvasに描画されるかどうか | ||
| } | ||
|
|
||
| // 自身のヒットグレードを判定し、返却 | ||
| getGrade() { | ||
| let grade = 3; | ||
| for (let i = 2; i >= 0; i--) { | ||
| if (this.checkHit(note.hitRange[i])) { | ||
| grade = i; | ||
| } | ||
| } | ||
| return grade; | ||
| } | ||
|
|
||
| // 自身がヒットしているか判定 | ||
| checkHit(range) { | ||
| if (this.act && Math.abs(time.elapsed - this.reachTime) <= range) { | ||
| return true; | ||
| } else { | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| // canvas内に入った段階で描画フラグを立てる | ||
| updateShow() { | ||
| if (this.act || this.show) { | ||
| if (this.appearTime <= time.elapsed && time.elapsed <= this.hideTime) { | ||
| this.show = true; | ||
| } else { | ||
| this.show = false; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // 自身の状態を確認し、判定ラインを通り過ぎた場合に判定処理を止める | ||
| update() { | ||
| this.updateShow(); | ||
| if (!this.act) { | ||
| return; | ||
| } | ||
|
|
||
| // 判定ラインから自身の判定ゾーンが過ぎた時点で処理 | ||
| if (this.reachTime < time.elapsed && !this.checkHit(note.hitRange[3])) { | ||
| gameScore.calcScore(3); // badとしてスコア加算 | ||
| JUDGE_LINE.setGrade(3); | ||
| this.act = false; | ||
| } | ||
| } | ||
|
|
||
| draw(x) { | ||
| if (this.show) { | ||
| this.centerY = JUDGE_LINE.centerY - (this.reachTime - time.elapsed) * this.speed; | ||
| CTX.fillStyle = this.bodyColor; | ||
| CTX.fillRect(x, this.centerY - this.height / 2, this.width, this.height); | ||
| CTX.strokeStyle = this.frameColor; | ||
| CTX.strokeRect( | ||
| x + LINE_WIDTH / 2, | ||
| this.centerY - this.height / 2 + LINE_WIDTH / 2, | ||
| this.width - LINE_WIDTH, | ||
| this.height - LINE_WIDTH | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| // 自身の処理を止める | ||
| close() { | ||
| this.act = false; | ||
| this.show = false; | ||
| } | ||
| } | ||
| // ここに記事のコードを書く |