彈力球大賽 | JavaScript 程式專案

{"id":10234,"student_id":98,"content":"// 設定背景圖\nsetBackdrop('bg.jpg');\n\nvar score1 = 0;\nvar score2 = 0;\nvar speed = 5;\n\nball.direction = 60;\n\nforever(function() {\n    ball.stepForward(5);\n    if (ball.x \u003c 0 || ball.x \u003e 640) {\n        ball.direction = ball.direction * -1;\n    }\n    if (ball.y \u003c 0 || ball.y \u003e 480) {\n        ball.direction = ball.direction * -1 + 180;\n    }\n\n    if (key.down) {\n        p1.y += 10;\n    }\n    if (ball.x \u003c 0) {\n        score1 += 1;\n        ball.direction = 270;\n        ball.x =320;\n        ball.y = 240;\n    }\n\n\n    print(score2, 30, 20, '#157df9', 40);\n    print(score1, 580, 20, '#fd7e24', 40);\n});","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-07-18T01:00:17.776+08:00","name":"彈力球大賽","language":"javascript","screenshot":{"url":"https://cdn6.koding.school/uploads/project/screenshot/10234/4d3caae7a08622d93515924cc38b86d1.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":175,"hashid":"d5msvy9g","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}