彈力球大賽 | JavaScript 程式專案

{"id":10236,"student_id":1404,"content":"var score1 = 0;\nvar score2 = 0;\nvar speed = 5;\n\n\n\n\nvar ran = Math.random() * 2;\nif (ran \u003c 1) {\n    ball.direction = Math.random()*90 + 225;//發給左邊\n} else {\n    ball.direction = Math.random()*90 + 45;//發給右邊\n}\n\nforever(function() {\n    \n    ball.stepForward(speed);\n\n    // 球碰到邊界\n    touchBorder();\n\n    // 按鍵移動\n    controlPlayer();\n\n    // 碰到擋板反彈\n    touchPlayer();\n\n    print(score1, 580, 20, '#fd7e24', 40);\n    print(score2, 30, 20, '#157df9', 40);\n});\n\nfunction touchBorder() {\n    if (ball.x \u003e 640 || ball.x \u003c 0) {\n        if(ball.x \u003e 640){\n            score2 += 1;\n            ball.direction = Math.random()*90 + 45;\n        }else{\n            score1 += 1;\n            ball.direction = Math.random()*90 + 225;\n        }\n        ball.x = 320;\n        ball.y = 240;\n    }\n    if (ball.y \u003c 0 || ball.y \u003e 480){\n        ball.direction = -ball.direction + 180;\n    }\n}\n\n\n\n\n\nfunction touchBorder() {\n    if (ball.x \u003e 640) {\n        score2 += 1;\n        ball.x = 320;\n        ball.y = 240;\n        ball.direction = Math.random() * 90 + 45;\n        speed = 5;\n    }\n    if (ball.x \u003c 0) {\n        score1 += 1;\n        ball.x = 320;\n        ball.y = 240;\n        ball.direction = Math.random() * 90 + 225;\n        speed = 5;\n    }\n\n    if (ball.y \u003c 0 || ball.y \u003e 480) {\n        ball.direction = -ball.direction + 180;\n    }\n}\n\nfunction controlPlayer() {\n    if (key.up \u0026\u0026 p1.y\u003e0) {\n        p1.y -= 10;\n    }\n    if (key.down \u0026\u0026 p1.y\u003c480) {\n        p1.y += 10;\n    }\n    if (key.w \u0026\u0026 p2.y \u003e 0) {\n        p2.y -= 10;\n    }\n    if (key.s \u0026\u0026 p2.y \u003c 480) {\n        p2.y += 10;\n    }\n}\n\nfunction touchPlayer() {\n    //碰到擋板反彈\n}\n\n\n\n\n\n","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-10-11T12:43:12.224+08:00","name":"彈力球大賽","language":"javascript","screenshot":{"url":"https://cdn3.koding.school/uploads/project/screenshot/10236/d7c9c5f42e526d00868847a5c42565f1.jpg"},"parent_id":8219,"plugin":"setBackdrop('bg.jpg');\nvar ball = createSprite(\"ball.png\");\nvar p2 = createSprite({\n    costumes: \"blue.jpg\",\n    x: 10,\n    y: 250\n});\nvar p1 = createSprite({\n    costumes: \"orange.jpg\",\n    x: 631,\n    y: 250\n});\n// =================================//\n","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":95,"hashid":"5j3s9386","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}