Mercurial > LightClone

annotate LightClone/Source/CameraController.cpp @ 38:2caa7c7e2cb5

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Refactored program; Added dialog
author koryspansel
date Wed, 21 Sep 2011 21:40:19 -0700
parents 292e534f00c2
children 91e927584f92
rev   line source
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1 /*
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2 * CameraController
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3 */
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4
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5 #include "CameraController.h"
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6
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7 /*
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8 * CameraController
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9 */
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10 CameraController::CameraController(float fInitialDistance, float fInitialYaw, float fInitialPitch)
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11 {
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12 nMode = CameraMode_3D;
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13 fCameraDistance = fInitialDistance;
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14 fCameraYaw = fInitialYaw;
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15 fCameraPitch = fInitialPitch;
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16 fViewAngle = D3DX_PI / 4.0f;
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17 fMinimumZ = 1.0f;
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18 fMaximumZ = 1024.0f;
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19 }
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21 /*
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22 * SetMode
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23 */
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24 void CameraController::SetMode(uint32 nCameraMode)
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25 {
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26 nMode = nCameraMode;
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27 }
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28
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29 /*
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30 * Render
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31 */
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32 void CameraController::Update(float fElapsed)
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33 {
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34 }
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35
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36 /*
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37 * Yaw
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38 */
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39 void CameraController::Yaw(float fAmount)
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40 {
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41 fCameraYaw += fAmount;
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42 }
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43
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44 /*
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45 * Pitch
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46 */
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47 void CameraController::Pitch(float fAmount)
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48 {
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49 fCameraPitch += fAmount;
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50 }
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51
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52 /*
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53 * Move
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54 */
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55 void CameraController::Move(float fAmount)
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56 {
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57 fCameraDistance += fAmount;
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58 }
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59
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60 /*
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61 * GetLocation
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62 */
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63 const D3DXVECTOR3 CameraController::GetLocation() const
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64 {
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65 const float fOffsetX = fCameraDistance * sinf(0.5f * D3DX_PI - fCameraPitch) * cosf(fCameraYaw);
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66 const float fOffsetY = fCameraDistance * cosf(0.5f * D3DX_PI - fCameraPitch);
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67 const float fOffsetZ = fCameraDistance * sinf(0.5f * D3DX_PI - fCameraPitch) * sinf(fCameraYaw);
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68
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69 return D3DXVECTOR3(fOffsetX, fOffsetY, fOffsetZ);
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70 }
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71
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72 /*
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73 * GetDirection
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74 */
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75 const D3DXVECTOR3 CameraController::GetDirection() const
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76 {
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77 return D3DXVECTOR3(0.0f, 0.0f, 1.0f);
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78 }
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79
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80 /*
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81 * GetRight
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82 */
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83 const D3DXVECTOR3 CameraController::GetRight() const
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84 {
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85 return D3DXVECTOR3(1.0f, 0.0f, 0.0f);
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86 }
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87
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88 /*
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89 * GetUp
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90 */
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91 const D3DXVECTOR3 CameraController::GetUp() const
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92 {
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93 return D3DXVECTOR3(0.0f, 1.0f, 0.0f);
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94 }
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95
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96 /*
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97 * GetProjection
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98 */
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99 const D3DXMATRIX CameraController::GetProjection(const D3DVIEWPORT9& kViewport) const
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100 {
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101 D3DXMATRIX kProjection;
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102
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103 if(nMode == CameraMode_2D)
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104 {
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105 D3DXMatrixOrthoLH(&kProjection, (float)kViewport.Width, (float)kViewport.Height, fMinimumZ, fMaximumZ);
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106 }
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107 else
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108
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109 if(nMode == CameraMode_3D)
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110 {
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111 D3DXMatrixPerspectiveFovLH(&kProjection, fViewAngle, (float)kViewport.Width / (float)kViewport.Height, fMinimumZ, fMaximumZ);
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112 }
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113
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114 return kProjection;
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115 }
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116
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117 /*
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118 * GetView
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119 */
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120 const D3DXMATRIX CameraController::GetView() const
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121 {
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122 D3DXMATRIX kView;
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123
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124 if(nMode == CameraMode_2D)
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125 {
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126 D3DXMatrixIdentity(&kView);
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127 }
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128 else
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129
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130 if(nMode == CameraMode_3D)
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131 {
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132 const D3DXVECTOR3& kLocation = GetLocation();
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133 const D3DXVECTOR3& kUp = GetUp();
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134
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135 D3DXMatrixLookAtLH(&kView, &kLocation, &D3DXVECTOR3(0.0f, 0.0f, 0.0f), &kUp);
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136 }
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137
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138 return kView;
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139 }