貪食蛇雙師素材更新 v2 | JavaScript 程式專案

{"id":113104,"student_id":10,"content":"setBackdrop('bg.jpg');\nvar food = createSprite('food.png');\nvar head = createSprite('head.png');\nvar hint = createSprite('hintt.png');\nvar gameover = createSprite('gameover.png');\nvar bodies = [];\nvar score = 0;\nvar clock = 0;\nvar isStart = false;\n\nhint.moveTo(630, 450);\nhead.moveTo(630, 450);\nfood.x = Math.floor(Math.random()*20)*60 + 30;\nfood.y = Math.floor(Math.random()*15)*60 + 30;\ngameover.hidden = true;\n\nsound.play('bgm.mp3', true);\n\nforever(loop);\n\nfunction loop () {\n    print(score, 10, 10, 'black', 40);\n    \n    var level = Math.floor(score/5);\n    if (level \u003e 9) level = 9;\n    \n    clock++;\n    if (clock%(10 - level) == 0 \u0026\u0026 isStart) {\n        // 這裏的順序很重要\n        // 先偵測是否碰撞到食物、然後移動身體、移動蛇的頭、判斷是否撞到身體\n        // 因為碰撞到食物會新增身體的角色到頭的位置，所以順序不能在移動之後\n        if (head.touched(food)) {\n            food.x = Math.floor(Math.random()*16)*60 + 30;\n            food.y = Math.floor(Math.random()*12)*60 + 30;\n            var b = createSprite('body.png');\n            b.x = head.x;\n            b.y = head.y;\n            bodies.push(b);\n            score++;\n            sound.play('bling.ogg');\n        }\n        if (bodies.length \u003e 0) {\n            var b = bodies.pop();\n            b.moveTo(head);\n            bodies.unshift(b);\n        }\n        head.stepForward(60);\n        if (head.touched(bodies)) {\n            gameover.hidden = false;\n            stop();\n        }\n    }\n    if (key.up \u0026\u0026 head.direction != 180) {\n        head.direction = 0;\n        isStart = true;\n    }\n    if (key.right \u0026\u0026 head.direction != 270) {\n        head.direction = 90;\n        isStart = true;\n    }\n    if (key.down \u0026\u0026 head.direction != 0) {\n        head.direction = 180;\n        isStart = true;\n    }\n    if (key.left \u0026\u0026 head.direction != 90) {\n        head.direction = 270;\n        isStart = true;\n    }\n    if (isStart) {\n        hint.hidden = true;\n    }\n    if (head.x \u003c 0) {\n        head.x += 1200;\n    }\n    if (head.x \u003e 1200) {\n        head.x -= 1200;\n    }\n    if (head.y \u003c 0) {\n        head.y += 900;\n    }\n    if (head.y \u003e 900) {\n        head.y -= 900;\n    }\n}","created_at":"2019-12-10T10:43:09.372+08:00","updated_at":"2020-04-30T00:30:48.058+08:00","name":"貪食蛇 雙師素材更新 v2 ","language":"javascript","screenshot":{"url":"https://cdn0.koding.school/uploads/project/screenshot/113104/9878579afbe1eb30f7780d88a185203f.jpg"},"parent_id":2,"plugin":"Game.set({ width: 1200, height: 900 })","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":261,"hashid":"rdvsrdnq","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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