彈力球大賽 | JavaScript 程式專案

{"id":15635,"student_id":1976,"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\nvar score1 = 0\nvar score2 = 0\nvar speed = 5\np1.x = 631\np2.x = 10\n\nball.direction = 240\n\n\nforever(function() {\n    ball.stepForward(speed)\n    if (ball.x \u003c 0 || ball.x \u003e 640) {\n        ball.direction = ball.direction * -1\n    }\n\n    if (ball.y \u003c 0 || ball.y \u003e 480) {\n        ball.direction = ball.direction * -1 +180\n    }\n\n    if (key.up) {\n        p1.y = p1.y -10\n    }\n    if (key.down) {\n        p1.y = p1.y + 10\n    }\n\n    if (key.w) {\n        p2.y = p2.y -10\n    }\n\n    if (key.s) {\n        p2.y = p2.y + 10\n    }\n\n    if (ball.touched(p1) || ball.touched(p2)) {\n        speed = speed + 0.5\n        ball.direction = ball.direction * -1 + Math.random() * 15\n        sound.play(\"BonusCube.mp3\")\n    }\n\n    if (ball.x \u003c 0) {\n        score1 = score1 + 1\n        ball.x = 320\n        ball.y = 240\n        speed = 5\n    }\n\n    if (ball.x \u003e 640) {\n        score2 = score2 + 1\n        ball.x = 320\n        ball.y = 240\n        speed = 5\n    }\n\n    print(score2, 30, 20, '#157df9', 40);\n    print(score1, 580, 20, '#fd7e24', 40);\n\n});","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-11-09T23:57:25.985+08:00","name":"彈力球大賽","language":"javascript","screenshot":{"url":"https://cdn4.koding.school/uploads/project/screenshot/15635/f6542ff553827e53e827acc59842c43d.jpg"},"parent_id":8219,"plugin":"\n","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":371,"hashid":"vngsyqg8","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}