彈力球大賽 | JavaScript 程式專案

{"id":14298,"student_id":168,"content":"// 設定背景圖\nsetBackdrop('bg.jpg');\n\n// 創造角色\nvar ball = createSprite(\"ball.png\");\nvar p1 = createSprite(\"orange.jpg\");\nvar p2 = createSprite(\"blue.jpg\");\n\n// 初始化位置\np1.x = 631;\np2.x = 10;\n\n\nvar score1 = 0;\nvar score2 = 0;\nvar speed = 5;\n\nball.direction = 90\n\nforever(function() {\n    print(score2, 30, 20, '#157df9', 40);\n    print(score1, 580, 20, '#fd7e24', 40);\n    ball.stepForward(speed)\n    if(ball.x \u003e 640){\n        score1 += 1\n        ball.moveTo(320,240)\n        ball.direction = 90\n        speed = 5\n    }\n    if(ball.x \u003c 0){\n        score2 += 1\n        ball.moveTo(320,240)\n        ball.direction = 270\n        speed = 5\n    }\n    if(ball.touched(p1) || ball.touched(p2)){\n        ball.direction *= -1\n        ball.direction += Math.random()*15\n        speed += 0.5\n        sound.play(\"powerup10.mp3\")\n        \n    }\n    if(ball.y \u003e 480 || ball.y \u003c 0){\n        ball.direction *= -1\n        ball.direction += 180\n    }\n    if(key.up){\n        p1.y -= 10\n    }\n    if(key.down){\n        p1.y += 10\n    }\n    if(key.w){\n        p2.y -= 10\n    }\n    if(key.s){\n        p2.y += 10\n    }\n});\nsetInterval(function(){\n    var snow = createSprite(\"a.png\");\n    snow.scale = 0.3 + Math.random()*5\n    snow.opacity = + Math.random()*0.05\n    snow.x = Math.random()*640;5\n    snow.y = 480 \n    snow.forever(function(){\n        this.y -= 0.2 + Math.random()*3\n    });\n        if(this.y \u003e 500){\n            this.destroy()\n        }\n        if(this.x \u003e 660){\n            this.destroy()\n        }\n        if(this.x \u003c 0){\n            this.destroy()\n        }\n        if(this.y \u003c 0){\n            this.destroy()\n        }\n},1);","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-07-09T18:34:15.584+08:00","name":"彈力球大賽","language":"javascript","screenshot":{"url":"https://cdn2.koding.school/uploads/project/screenshot/14298/c43140a367520eab261bfec28f8a79d9.jpg"},"parent_id":8219,"plugin":"\n","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":84,"hashid":"36ysmkzq","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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