breakout | JavaScript 程式專案

{"id":9310,"student_id":1486,"content":"var score = 0;\nvar lives = 3;\nvar stageblocks = 0;\n\nvar player = createSprite(\"player.png\");\nplayer.scale = 1.5;\nplayer.y = 450 + player.height/2;\n\nvar collider = [player];\n\nvar ball = createSprite(\"ball.png\");\nball.scale = 1.5;\nball.direction = 135;\n\nsetBackdrop(\"#333333\");\n\nfunction newBlocks(){\n    for(var j = 0; j \u003c 6; j++){\n        for(var i = 0; i \u003c 10; i++){\n            var block = createSprite([\"block0.png\", \"block1.png\", \"block2.png\", \"block3.png\", \"block4.png\", \"block5.png\"]);\n            block.costumeId = Math.floor(Math.random()*6);\n            block.x = i*64+32;\n            block.y = j*32+16;\n            block.scale = 2;\n            block.forever(function(){\n                if(this.touched(ball)){\n                    score++;\n                    this.destroy();\n                    stageblocks--;\n                }\n            });\n            collider.push(block);\n            stageblocks++;\n        }\n    }\n}\n\nforever(function(){\n    // if((key.a || key.left) \u0026\u0026 player.x \u003e 0 +  player.width/2 + 10) {\n    //     player.x-=10;\n    // }\n        \n    // if((key.d || key.right) \u0026\u0026 player.x \u003c 640 - player.width/2 - 10) {\n    //     player.x+=10;\n    // }\n\n    player.x = cursor.x;\n\n    ball.stepForward(4);\n    if(ball.touched(collider))\n        ball.direction -= (ball.direction-90)*2;\n    if(ball.touched(player))\n        ball.y = (player.y - player.height/2) - ball.height/2\n    if(lives \u003c= 0){\n        stop();\n    }\n    if(ball.y \u003e= 480){\n        lives--;\n        ball.y = 300;\n    }else{\n        ball.bounceEdge();\n    }\n    if(stageblocks \u003c= 0){\n        newBlocks();\n    }\n    print(\"Score: \"+score, 20, 20, \"white\");\n    print(\"Lives: \"+lives, 20, 40, \"white\");\n});","created_at":"2017-03-01T20:52:04.729+08:00","updated_at":"2019-10-28T23:44:04.598+08:00","name":"breakout ","language":"javascript","screenshot":{"url":"https://cdn0.koding.school/uploads/project/screenshot/9310/afac755c2a470c68c0fb792da90e3005.jpg"},"parent_id":2,"plugin":"","description":"","note":null,"status":"public","like_student_ids":[1930,1934],"is_featured":false,"views":486,"hashid":"vngsyw5p","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

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