Archery_T | JavaScript 程式專案

{"id":194301,"student_id":2589,"content":"setBackdrop(\"tutorial.png\");\nsound.play(\"bgm.mp3\");\n\nvar startBtn = createSprite(\"startBtn.png\");\nstartBtn.on('click', start);\n\nvar startTime, leftTime;\nvar clock = 0;\nvar points = 0;\nvar score = 0;\n\nvar target = createSprite(\"target.png\");\ntarget.y = 300;\ntarget.hidden = true;\n\nvar arrow = createSprite(\"arrow.png\");\narrow.y = 700;\n//arrow.layer = 1;\narrow.hidden = true;\nvar isShooting = false;\n\nvar koding = createSprite(\"koding.png\");\nkoding.y = 800;\n//koding.layer = 2;\nkoding.hidden = true;\n\nvar level = createSprite([\"f.png\", \"e.png\", \"d.png\",\n    \"c.png\", \"b.png\", \"a.png\", \"s.png\"]);\nlevel.x = 900; level.y = 600;\nlevel.hidden = true;\n\n//點擊start開始遊戲\nfunction start() {\n    target.hidden = false;\n    koding.hidden = false;\n    setBackdrop(\"range.jpg\");\n    startTime = Date.now();\n}\n\non('click', shoot);\n\n//遊戲中點擊畫面射箭\nfunction shoot() {\n    //console.log(\"clicked\");\n    if(startBtn.hidden == false \u0026\u0026 koding.hidden == false){\n        //console.log(\"hi\");\n        startBtn.hidden = true;\n    }\n    else if (startBtn.hidden == true \u0026\u0026 arrow.y != 300) {\n        //console.log(\"shoot\")\n        isShooting = true;\n        arrow.hidden = false;\n        arrow.x = koding.x;\n    }\n}\n\n//隨機出現的箭靶\nfunction moveTarget() {\n    if (clock % 100 == 0) {\n        target.x = 200 + Math.random()*800;\n        target.opacity = 1;\n    } else {\n        target.opacity -= 0.01;\n    }\n}\n\n//移動射出去的箭\nfunction moveArrow() {\n    if (isShooting == true) {\n        if (arrow.y \u003e 300) {\n            arrow.y -= 20;\n        } else {\n            isShooting = false;\n            countScore();\n            setTimeout(ready, 400);\n        }\n    }\n}\n\n//箭回到待命位置\nfunction ready() {\n    arrow.hidden = true;\n    arrow.y = 700;\n    points = 0;\n}\n\n//計算總分\nfunction countScore() {\n    var distance = arrow.distanceTo(target);\n    if (distance \u003c 15) {\n        points = 30;\n    } else if (distance \u003c 30) {\n        points = 25;\n    } else if (distance \u003c 45) {\n        points = 20;\n    } else if (distance \u003c 60) {\n        points = 15;\n    } else if (distance \u003c 75) {\n        points = 10;\n    } else if (distance \u003c 90) {\n        points = 5;\n    } else {\n        points = -20;\n    }\n    score += points;\n}\n\n//顯示得分\nfunction showPoints() {\n    if (points \u003e 0) {\n        drawText(\"+\" + points, 850, 50, 'yellow', 50);\n    } else if (points \u003c 0) {\n        drawText(points, 850, 50, 'cyan', 50);\n    }\n}\n\n//顯示神射手等級\nfunction showLevel() {\n    if (score \u003c 0) {\n        level.costumeId = 0;\n    } else if (score \u003c 500) {\n        level.costumeId = Math.ceil(score/100);\n    } else {\n        level.costumeId = 6;\n    }\n}\n\n//重複不斷執行...\nforever(function() {\n    koding.moveTo(cursor.x, 800);\n    moveTarget();\n    moveArrow();\n    if (startBtn.hidden == true) {\n        leftTime = 30 - Math.floor((Date.now()-startTime)/1000);\n        drawText(\"Time: \" + leftTime, 300, 100, 'white', 50);\n        drawText(\"Score: \" + score, 600, 100, 'white', 50);\n        showPoints();\n    }\n\n    if (leftTime \u003c= 0) {\n        stop();\n        drawText(\"時間到！您的等級：\", 300, 550, 'orange', 50);\n        level.hidden = false;\n        showLevel();\n    }\n    clock += 1;\n});","created_at":"2020-09-30T13:52:05.089+08:00","updated_at":"2020-09-30T13:53:20.774+08:00","name":"Archery_T","language":"javascript","screenshot":{"url":"https://cdn8.koding.school/uploads/project/screenshot/194301/acad7f98c17502ebed8759cb03673a10.jpg"},"parent_id":2,"plugin":"Game.set({width: 1200, height: 900})","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":73,"hashid":"36ys6624","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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