終結叩汀 | JavaScript 程式專案

{"id":14297,"student_id":168,"content":"setBackdrop('background.jpg',0,0,640,480);\n\nvar koding = createSprite([\"koding.png\",\"koding_2.png\"]);\nvar arrow;\nvar flying = false;\nvar life = 5;\nvar scores = 0;\n\nwhen('click',function() {\n    if (flying == true) {\n        arrow.opacity = 0.3\n        flying = false\n    } else {\n        life -= 1\n    }\n        \n});\n\nforever(function() {\n    if (Math.random()*70 \u003c 1 \u0026 flying == false) {\n        arrow = createSprite(\"arrow.png\");\n        arrow.direction = Math.floor(Math.random()*360)\n        arrow.stepForward(-300)\n        flying = true\n    }\n    \n    if (flying == true) {\n        arrow.stepForward(5)\n        if (arrow.touched(koding)) {\n            flying = false\n            life -= 1\n        }\n\n    }\n\n    if (life == 0){\n        print('生命: ' + life, 10, 10, 'red', 20);\n        print('攔截數量: ' + scores, 10, 40, 'red', 20);\n                stop();\n    }\n\n    print('生命: ' + life, 10, 10, 'red', 20);\n    print('攔截數量: ' + scores, 10, 40, 'red', 20);\n});\nvar stars = [];\n\npen.fillColor = \"red\"\n\nforever(function(){\n    var star = {\n        x: Math.random()*640,\n        y: Math.random()*480,\n        z: 12,\n        r: 10\n    };\n    stars.push(star);\n\n    for(var i=0; i\u003cstars.length; i++){\n        stars[i].x += (stars[i].x-320) / stars[i].z\n        stars[i].y += (stars[i].y-240) / stars[i].z\n        stars[i].z -= 2\n        stars[i].r += 0.01\n\n        pen.drawCircle(stars[i].x, stars[i].y, stars[i].r)\n    }\n})","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-09-08T06:12:21.854+08:00","name":"終結叩汀","language":"javascript","screenshot":{"url":"https://cdn4.koding.school/uploads/project/screenshot/14297/d2911d0175d57cb5ff38d823aa418171.jpg"},"parent_id":8789,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":210,"hashid":"5j3s9z4y","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}