tilt to live | JavaScript 程式專案

{"id":20734,"student_id":1407,"content":"setBackdrop(\"bg.jpg\");\r\nsound.play('bgm.mp3');\r\n\r\nvar redDots = [];\r\nvar items = [];\r\nvar score = 0;\r\nvar arrow = createSprite({\r\n    x: 320,\r\n    y: 240,\r\n    costumes: \"arrow.png\"\r\n});\r\narrow.when('touch', redDots, stop);\r\n\r\nsetInterval(makeRedDot, 1000);\r\nsetInterval(makeItem, 3000);\r\n\r\nforever(function () {\r\n    print('score:' + score);\r\n    arrow.toward(cursor);\r\n    arrow.x += (cursor.x - arrow.x) / 5;\r\n    arrow.y += (cursor.y - arrow.y) / 5;\r\n    for (var i = 0; i \u003c redDots.length; i++) {\r\n        redDots[i].toward(arrow);\r\n        redDots[i].stepForward(1)\r\n    }\r\n});\r\n\r\nfunction makeRedDot() {\r\n    var redDot = createSprite(\"reddot.png\");\r\n    redDot.x = Math.floor(Math.random() * 2) * 640;\r\n    redDot.y = Math.floor(Math.random() * 2) * 480;\r\n    redDots.push(redDot);\r\n}\r\n\r\nfunction checkRedDotsCollded(target) {\r\n    for (var i = 0; i \u003c redDots.length; i++) {\r\n        if (redDots[i].touched(target)) {\r\n            sound.play(\"hit.mp3\");\r\n            var dot = redDots[i];\r\n            redDots.splice(i, 1);\r\n            dot.forever(function () {\r\n                dot.scale -= 0.1;\r\n                if (dot.scale \u003c 0.5) {\r\n                    dot.destroy();\r\n                    score++;\r\n                }\r\n            });\r\n        }\r\n    }\r\n}\r\n\r\nfunction makeItem() {\r\n    var item = createSprite(['fire_icon.png', 'dart_icon.png', 'canon_icon.png']);\r\n    item.costumeId = Math.floor(Math.random() * 3);\r\n    item.x = Math.floor(Math.random() * 600) + 20;\r\n    item.y = Math.floor(Math.random() * 440) + 20;\r\n\r\n    arrow.when('touch', item, function (target) {\r\n        if (target.costumeId == 0) {\r\n            sound.play(\"fire.mp3\");\r\n            var fire = createSprite(\"fire.png\");\r\n            fire.scale = 0.5;\r\n            fire.x = target.x;\r\n            fire.y = target.y;\r\n            fire.forever(function () {\r\n                fire.direction += fire.scale * 10;\r\n                fire.scale += 0.01;\r\n                if (fire.scale \u003e 3) {\r\n                    fire.destroy();\r\n                }\r\n                checkRedDotsCollded(fire);\r\n            });\r\n        }\r\n        if (target.costumeId == 1) {\r\n            for (var i = 0; i \u003c 14; i++) {\r\n                sound.play('dart.mp3');\r\n                var dart = createSprite(\"dart.png\");\r\n                dart.x = target.x;\r\n                dart.y = target.y;\r\n                dart.direction = i * 25;\r\n                dart.forever(function () {\r\n                    this.stepForward(6);\r\n                    checkRedDotsCollded(this);\r\n                });\r\n            }\r\n        }\r\n        if (target.costumeId == 2) {\r\n            sound.play(\"laser.mp3\");\r\n            var cannon = createSprite(['cannon_1.png', 'cannon_2.png']);\r\n            cannon.x = target.x;\r\n            cannon.y = target.y;\r\n            cannon.life = 100;\r\n            cannon.scale = 0.5;\r\n            cannon.forever(function () {\r\n                if (cannon.life \u003e 0) {\r\n                    cannon.direction = arrow.direction;\r\n                    cannon.moveTo(arrow);\r\n                    cannon.stepForward(20);\r\n                    cannon.scale += 0.005;\r\n                    cannon.life--;\r\n                } else {\r\n                    cannon.costumeId = 1;\r\n                    cannon.stepForward(30);\r\n                    if (cannon.x \u003e 640 || cannon.x \u003c 0 || cannon.y \u003c 0 || cannon.y \u003e 480) {\r\n                        cannon.destroy();\r\n                    }\r\n\r\n                }\r\n                checkRedDotsCollded(cannon);\r\n            });\r\n        }\r\n        target.destroy();\r\n    });\r\n\r\n}","created_at":"2018-01-24T17:51:08.062+08:00","updated_at":"2019-11-09T23:58:29.305+08:00","name":"tilt to live","language":"javascript","screenshot":{"url":"https://cdn2.koding.school/uploads/project/screenshot/20734/a0ba59b9be73c75f3b42d3ffbb190ded.jpg"},"parent_id":20090,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":272,"hashid":"yeysq5zr","is_content_changed":false,"review_status":"pending","submitted_at":"2018-01-30T15:27:25.590+08:00","reviewed_at":null,"advise":null,"is_deleted":false}

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