air hockey | JavaScript 程式專案

{"id":23814,"student_id":70,"content":"// === 初始化 START === //\nsetBackdrop(\"#ffffff\");\nvar red = createSprite(\"red-bar.jpg\");\nvar blue = createSprite(\"blue-bar.jpg\");\nvar ball = createSprite(\"ball.gif\");\n\nred.x=20;\nred.y=240;\nred.scale=0.6;\nred.score=0;\n\nblue.x=620;\nblue.y=240;\nblue.scale=0.6;\nblue.score=0;\n\nball.direction=-45;\nball.scale=0.6;\n// === 初始化 END === //\n\n// === 事件綁定 START === //\non(\"holding\",\"w\",function(){\n    red.y-=4;\n});\non(\"holding\",\"s\",function(){\n    red.y+=4;\n});\n\non(\"holding\",\"up\",function(){\n    blue.y-=4;\n});\non(\"holding\",\"down\",function(){\n    blue.y+=4;\n});\nball.forever(function(){\n    this.stepForward(8);\n    if(this.x\u003c=0){\n        blue.score+=1;\n    } else if (this.x\u003e=640){\n        red.score+=1;\n    }\n    this.bounceEdge();\n    if(this.touched(red)){\n        this.direction = 180-(this.direction-180);\n    }\n    if(this.touched(blue)){\n        this.direction = 270-(this.direction-90);\n    }\n});\nforever(function(){\n    print(red.score, 20, 20);\n    print(blue.score, 620, 20);\n});\n// === 事件綁定 END === //\n","created_at":"2018-03-08T14:39:13.344+08:00","updated_at":"2019-10-20T00:42:49.839+08:00","name":"air hockey","language":"javascript","screenshot":{"url":"https://cdn9.koding.school/uploads/project/screenshot/23814/1092de9614b3e904ef080fd9b72e75e3.jpg"},"parent_id":2,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":236,"hashid":"6rps2688","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}