astronaut 副本 | JavaScript 程式專案

{"id":500125,"student_id":26492,"content":"setBackdrop(\"black\");\nvar obstacle = createSprite([\"level_1.png\", \"level_2.png\", \"level_3.png\", \"level_4.png\", \"level_5.png\", \"level_6.png\", \"level_7.png\", \"level_8.png\", \"level_9.png\"]);\nvar target = createSprite(\"target.png\");\ntarget.moveTo(500, 400);\n\nvar astronaut = createSprite(\"astronaut.png\");\nastronaut.moveTo(40, 40);\n\nvar flames = [];\nvar vx = 0;\nvar vy = 0;\n\nforever(function() {\n    target.direction += 2;\n\n    if (key.up || key.left || key.right) {\n        var flame = createSprite(\"flame.png\");\n        flame.moveTo(astronaut);\n        flame.direction = astronaut.direction + 90;\n        flame.stepForward(30);\n        flame.direction += Math.random()* 60 - 30;\n        flame.life = Math.random() * 60;\n        flames.push(flame);\n    }\n\n    for (var i = 0; i \u003c flames.length; i++) {\n        var f = flames[i];\n        f.stepForward(2.5);\n        f.life--;\n        if (f.life \u003e 0) {\n            f.scale = f.life/60;\n            f.opacity = f.life/60;\n        } else {\n            f.destroy();\n            flames.splice(i, 1);\n        }\n    }\n\n\n    vy += 0.03;\n\n    if (key.up) {\n        vy -= 0.08;\n    }\n    if (key.left) {\n        vx -= 0.05;\n    }\n    if (key.right) {\n        vx += 0.05;\n    }\n    astronaut.direction = 90 + vx*10;\n    astronaut.move(vx, vy);\n});","created_at":"2023-02-28T20:42:02.574+08:00","updated_at":"2023-05-02T20:54:57.759+08:00","name":"astronaut 副本","language":"javascript","screenshot":{"url":"https://cdn3.koding.school/uploads/project/screenshot/500125/73264d33f878d1ae3f88668a5530e192.jpg"},"parent_id":17200,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":8,"hashid":"qmds3pk8e","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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