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Enemy.cpp
资源名称：g.rar　[点击查看]
上传用户：laitongbao
上传日期：2021-02-20
资源大小：8176k
文件大小：3k
源码类别：

射击游戏

开发平台：

Visual C++

Enemy.cpp：源码内容
  1. // Enemy.cpp: implementation of the Enemy class.
  2. //
  3. //////////////////////////////////////////////////////////////////////
  5. #include "stdafx.h"
  6. #include "Enemy.h"
  8. //////////////////////////////////////////////////////////////////////
  9. // Construction/Destruction
  10. //////////////////////////////////////////////////////////////////////
  11. #include "Exploder.h"
  12. #include "LaserGun.h"
  13. #include "playership.h"
  14. #include "MachineGun.h"
  15. #include "math.h"
  16. Enemy1::Enemy1(VECTOR3 pos0,VECTOR3 v0,int bonus)//bonus是否死后会掉奖励
  17. {
  18. mesh = (MeshObject*)g_tree->AddObject(new MeshObject("enemy1",pos0),"base");
  19. mesh->SetVelocity(v0);
  20. mesh->LoadMeshData("enemy1.x");
  21. this->bonus = bonus;
  22. expInner = new Exploder(6.0f,40,15.f);
  23. expOuter = new Exploder(1.0f,50,100.f);
  24. expBengin = new Exploder(3.f,10,10.f);
  26. this->gun1 = new LaserGun(this->mesh ,3.f);
  27. this->gun2 = new LaserGun(this->mesh ,-3.f);
  29. this->deadStayTimer = new FrameTimer(30);
  30. this->alive = true;
  31. this->active = true;
  32. shell = 10;
  33. t0 = 0;
  34. angle = atanf(v0.x/-v0.z);
  35. whichGunToFire = true;
  36. }
  37. void Enemy1::Damage(int dam)
  38. {
  39. this->shell -= dam;
  40. if(shell<=0&&active)
  41. {
  42. deadStayTimer->startTimer();
  43. expBengin->Explode(TransitionController::GetWorldPosition(mesh));
  44. mesh->SetRotateVelocity(VECTOR3(-2.f,0.f,-0.5f));
  45. active = false;
  46. points += 100;//得分
  47. }
  49. }
  50. void Enemy1::TurnLeft()
  51. {
  52. if(!active)
  53. return;
  54. angle -= g_timer->GetFrameTime()*0.1f;
  55. TransitionController::SetRotation(mesh,VECTOR3(0.f,-angle,0.f));
  56. VECTOR3 v;
  57. VECTOR3 currentspeed = mesh->GetVelocity();
  58. v.x = currentspeed.Length()*sinf(angle);
  59. v.z = -currentspeed.Length()*cosf(angle);
  60. mesh->SetVelocity(v);
  61. }
  62. void Enemy1::TurnRight()
  63. {
  64. if(!active)
  65. return;
  66. angle += g_timer->GetFrameTime()*0.2f;
  67. TransitionController::SetRotation(mesh,VECTOR3(0.f,-angle,0.f));
  68. VECTOR3 v;
  69. VECTOR3 currentspeed = mesh->GetVelocity();
  70. v.x = currentspeed.Length()*sinf(angle);
  71. v.z = -currentspeed.Length()*cosf(angle);
  72. mesh->SetVelocity(v);
  73. }
  74. void Enemy1::DoFrame()
  75. {
  76. //go toward player
  77. VECTOR3 v = g_pship->mesh->GetWorldPos() - mesh->GetWorldPos();
  78. float current_angle = atanf(v.x/-v.z);
  79. if(current_angle < angle)
  80. {
  81. TurnLeft();
  82. }else
  83. {
  84. TurnRight();
  85. }
  86. //fire
  87. if(g_timer->GetTime () - t0 >1.0f&&active&&current_angle - angle<0.1f&&current_angle - angle>-0.1f)
  88. {
  89. VECTOR3 direction = TransitionController::GetWorldPosition(g_pship->mesh)-TransitionController::GetWorldPosition(mesh);
  90. if(direction.Length()<300.f)//fire when get closed
  91. {
  92. //g_enemyshotsound->PlaySound();
  93. if(whichGunToFire)
  94. this->gun1->Fire(direction);
  95. else
  96. this->gun2->Fire(direction);
  97. }
  98. whichGunToFire = !whichGunToFire;
  99. t0 = g_timer->GetTime ();
  100. }
  101. //dying
  102. if(deadStayTimer->isRunning())
  103. {
  104. deadStayTimer->update();
  105. if(deadStayTimer->reach())
  106. {
  107. g_expsound->PlaySound();
  108. this->expInner->Explode(TransitionController::GetWorldPosition(mesh));
  109. this->expOuter->Explode(TransitionController::GetWorldPosition(mesh));
  110. deadStayTimer->stopTimer();
  111. this->alive = false;
  112. }
  113. }
  115. }
  117. Enemy1::~Enemy1()
  118. {
  119. delete gun1;
  121. delete gun2;
  123. delete expOuter;
  125. delete expInner;
  127. g_tree->DeleteObject(mesh);
  128. mesh = NULL;
  129. }