太空大战 (学生版) 副本 | 程式專案

{"id":47174,"student_id":70,"content":"import game\n\n# 1. 别让战机这么靠前吧，好危险呀！\nfighter.y = 440\nskill_count = 3\nskill_loading_time = 0\n\ncanvas_width = 1200\ncanvas_height = 900\n\ndef update():\n    \n    global skill_count\n    global skill_loading_time\n    \n    skill_loading_time -= 1\n    \n    # 2. 名字很重要，取个酷炫一点的名字吧！\n    game.print(\"Koding 战斗机\", 20, 20, \"gold\")\n    \n    if fighter.life \u003c 2:\n        game.print(\"生命值：\"+str(fighter.life), 20, 40, \"red\" )\n    else:\n        game.print(\"生命值：\"+str(fighter.life), 20, 40, \"white\" )\n    \n    if skill_count==0:\n        game.print(\"技能数：\"+str(skill_count), 20, 60, \"red\")\n    else:\n        game.print(\"技能数：\"+str(skill_count), 20, 60, \"white\")\n        \n    \n    # 3. 只能前进的战机是活不长的，快让他动起来吧！\n    if game.key.up==True:\n        fighter.y = fighter.y - 4\n    if game.key.down==True:\n        # 如何让战机后退呢？\n        fighter.y = fighter.y + 4\n    if game.key.right==True:\n        # 如何让战机右移呢？\n        fighter.x += 4\n    if game.key.left==True:\n        # 如何让战机左移呢？\n        fighter.x -= 4\n    if game.key.space == True:\n        fighter_shoot()\n        \n    if game.key.c == True:\n        if skill_loading_time\u003c0 and skill_count\u003e0:\n            angle = 0\n            while angle\u003c360:\n                fighter_shoot( angle )\n                angle += 10\n            skill_count -= 1\n            skill_loading_time = 50\n            \n    if fighter.x \u003c 0: \n        fighter.x = 0    \n    if fighter.x \u003e canvas_width: \n        fighter.x = canvas_width    \n    if fighter.y \u003c 0: \n        fighter.y = 0    \n    if fighter.y \u003e canvas_height: \n        fighter.y = canvas_height\n\ngame.forever(update)\n\n##=== 挑战题：\n## 1. 为战机的名字换一个特别的颜色吧！\n## 2. 更改一下战机的速度，让他飞得更快或更慢一点！\n\n","created_at":"2018-10-29T22:20:18.326+08:00","updated_at":"2020-07-08T18:59:01.835+08:00","name":"太空大战 (学生版) 副本","language":"python","screenshot":{"url":"https://cdn2.koding.school/uploads/project/screenshot/47174/f27e27186107b63011a7076af49d9c9e.jpg"},"parent_id":46418,"plugin":"import game\nimport math\nimport random\nimport time\n\n_time = time\nSTART_AT = _time.time()\n\n_timer = 0\n_explode_at = START_AT\ngame.setBackdrop(\"bg.jpg\",0,0,1200,900)\ngame.sound.play('Arcade-Fantasy.mp3',True)\nfighter = game.createSprite([\"fighter_1.png\",\"fighter_2.png\",\"fighter_damaged.png\"])\nfighter.scale = 0.6\nfighter.y = 200\nfighter.layer = 999\nfighter._last_shot_at = 0\nfighter.life = 3\nfighter.damage_countdown = 0\n\nenemies = []\nlights = []\nbullets = []\n\ncanvas_width = 1200\ncanvas_height = 900\n\ndef clear_dead_enemies_and_bullets():\n    global enemies, bullets\n    enemies = [e for e in enemies if e._deleted != True]\n    bullets = [b for b in bullets if b._deleted != True]\n\ndef update():\n    global _timer\n    _timer = _timer+1\n    fighter._last_shot_at-=1\n    \n    game.print(int(_time.time()-START_AT), canvas_width-50, 20, \"white\", 18)\n    if (fighter.damage_countdown\u003e0):\n        fighter.costumeId = int(_timer/4)%2+1\n        fighter.damage_countdown-=1\n    else:\n        fighter.costumeId = int(_timer/6)%2\n    \n    if (_timer%20==0):\n        clear_dead_enemies_and_bullets()\n    \n    if (_timer%20==0):\n        e = game.createSprite([\"enemy_1.png\",\"enemy_2.png\"])\n        e.rotationStyle = \"fixed\"\n        e.scale = 0.6\n        e.x = random.randint(0,canvas_width)\n        e.y = -20\n        e.toward(fighter)\n        enemies.append(e)\n    if (_timer%10==0):\n        l = game.createSprite(\"star_light.png\")\n        l.x = random.randint(0,canvas_width)\n        l.y = -20\n        l.layer = 0\n        l.scale = 0.2+random.random()*0.4\n        lights.append(l)\n    for e in enemies:\n        e.stepForward(4)\n        e.costumeId = int(_timer/6)%2\n        if e._deleted==False:\n            if(e.y\u003ecanvas_width+10):\n                e.destroy()\n            if e.touched(fighter):\n                e.destroy()\n                fighter.life-=1\n                if(fighter.life\u003c=0):\n                    fighter_explode()\n                    game.sound.play('fighter_explode.wav')\n                else:\n                    fighter.damage_countdown=30\n                    game.sound.play('damage.wav')\n                    \n    for l in lights:\n        if l._deleted==False:\n            l.y += 18\n            if(l.y\u003ecanvas_height+10):\n                l.destroy()\n    for b in bullets:\n        if b._deleted:\n            continue\n        b.stepForward(20)\n        if (b.y\u003c0 or b.y\u003ecanvas_height or b.x\u003ecanvas_width or b.x\u003c0):\n            b.destroy()\n    for b in bullets:\n        for e in enemies:\n            if b.touched(e):\n                game.sound.play('enemy_destroy.wav')\n                e.destroy()\n                b.destroy()\n            \ndef fighter_shoot( angle=0 ):\n    if _timer==fighter._last_shot_at or _timer\u003e=fighter._last_shot_at+12 :\n        game.sound.play('laser.wav')\n        fighter._last_shot_at = _timer\n        bullet = game.createSprite(\"bullet.png\")\n        bullet.x = fighter.x\n        bullet.y = fighter.y\n        bullet.direction = angle\n        bullets.append(bullet)\n\ndef fighter_explode():\n    _explode_at = _time.time()\n    fighter.destroy()\n    sparks = []\n    for i in range(18):\n        s = game.createSprite(\"spark.png\")\n        s.scale = 0.4\n        s.r = 0\n        s.x = fighter.x\n        s.y = fighter.y\n        s.direction = i*20\n        sparks.append(s)\n    def sparks_expand():\n        for s in sparks:\n            s.stepForward(2)\n            s.scale = 0.4 * (1 + 0.5*math.sin(s.r))\n            s.r+=0.8\n            s.opacity -= 0.02\n            if s.opacity\u003c=0:\n                game.stop() \n                game.print(\"你存活了 \"+str(int(_explode_at-START_AT))+\" 秒\", canvas_width/2-120, canvas_height/2-80, \"white\", 40)\n                return\n    game.forever(sparks_expand)\ngame.forever(update)\n","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":238,"hashid":"4y3s9gjp","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}

[{"id":841836,"file_name":"Arcade-Fantasy.mp3","project_id":47174,"asset_id":88343,"created_at":"2018-10-29T22:20:18.337+08:00","updated_at":"2018-10-29T22:20:18.337+08:00"},{"id":841837,"file_name":"lootbox.png","project_id":47174,"asset_id":88352,"created_at":"2018-10-29T22:20:18.345+08:00","updated_at":"2018-10-29T22:20:18.345+08:00"},{"id":841838,"file_name":"star_light.png","project_id":47174,"asset_id":88358,"created_at":"2018-10-29T22:20:18.347+08:00","updated_at":"2018-10-29T22:20:18.347+08:00"},{"id":841839,"file_name":"laser.png","project_id":47174,"asset_id":88369,"created_at":"2018-10-29T22:20:18.349+08:00","updated_at":"2018-10-29T22:20:18.349+08:00"},{"id":841840,"file_name":"spark.png","project_id":47174,"asset_id":92350,"created_at":"2018-10-29T22:20:18.351+08:00","updated_at":"2018-10-29T22:20:18.351+08:00"},{"id":841841,"file_name":"fighter_1.png","project_id":47174,"asset_id":92351,"created_at":"2018-10-29T22:20:18.353+08:00","updated_at":"2018-10-29T22:20:18.353+08:00"},{"id":841842,"file_name":"fighter_2.png","project_id":47174,"asset_id":92352,"created_at":"2018-10-29T22:20:18.355+08:00","updated_at":"2018-10-29T22:20:18.355+08:00"},{"id":841843,"file_name":"bg.jpg","project_id":47174,"asset_id":92353,"created_at":"2018-10-29T22:20:18.357+08:00","updated_at":"2018-10-29T22:20:18.357+08:00"},{"id":841844,"file_name":"bullet.png","project_id":47174,"asset_id":92357,"created_at":"2018-10-29T22:20:18.359+08:00","updated_at":"2018-10-29T22:20:18.359+08:00"},{"id":841845,"file_name":"enemy_2.png","project_id":47174,"asset_id":92399,"created_at":"2018-10-29T22:20:18.361+08:00","updated_at":"2018-10-29T22:20:18.361+08:00"},{"id":841846,"file_name":"enemy_1.png","project_id":47174,"asset_id":92400,"created_at":"2018-10-29T22:20:18.363+08:00","updated_at":"2018-10-29T22:20:18.363+08:00"},{"id":841847,"file_name":"laser.wav","project_id":47174,"asset_id":92401,"created_at":"2018-10-29T22:20:18.365+08:00","updated_at":"2018-10-29T22:20:18.365+08:00"},{"id":841848,"file_name":"damage.wav","project_id":47174,"asset_id":92402,"created_at":"2018-10-29T22:20:18.367+08:00","updated_at":"2018-10-29T22:20:18.367+08:00"},{"id":841849,"file_name":"enemy_destroy.wav","project_id":47174,"asset_id":92403,"created_at":"2018-10-29T22:20:18.369+08:00","updated_at":"2018-10-29T22:20:18.369+08:00"},{"id":841850,"file_name":"fighter_explode.wav","project_id":47174,"asset_id":92404,"created_at":"2018-10-29T22:20:18.371+08:00","updated_at":"2018-10-29T22:20:18.371+08:00"},{"id":841851,"file_name":"fighter_damaged.png","project_id":47174,"asset_id":92406,"created_at":"2018-10-29T22:20:18.373+08:00","updated_at":"2018-10-29T22:20:18.373+08:00"}]