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1 /* |
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2 * Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Manipulates the virtual orientation of an object. |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 #include <e32math.h> |
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22 #include <jdebug.h> |
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23 #include "cammsorientationcontrol.h" |
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24 |
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25 |
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26 // ============================ MEMBER FUNCTIONS =============================== |
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27 |
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28 // Destructor |
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29 CAMMSOrientationControl::~CAMMSOrientationControl() |
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30 { |
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31 DEBUG("AMMS::CAMMSOrientationControl::~CAMMSOrientationControl"); |
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32 } |
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33 |
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34 // ----------------------------------------------------------------------------- |
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35 // CAMMSOrientationControl::SetOrientationL |
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36 // Turns the object to the new orientation. |
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37 // ----------------------------------------------------------------------------- |
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38 void CAMMSOrientationControl::SetOrientationL( |
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39 TInt aHeading, |
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40 TInt aPitch, |
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41 TInt aRoll) |
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42 { |
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43 // Sets the Heading, Pitch, Roll values for the source/listener orientation. |
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44 // Parameters are given in thousandths of radians. |
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45 // SourceOrientationBase/ListenerLocationBase : |
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46 // |
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47 // NOTE: Effect API uses thousandths of radians for all three parameters, |
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48 // but JSR234 uses degrees. |
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49 // |
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50 // From e32Math.h: The multiplying factor to convert degrees to radians. |
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51 |
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52 DEBUG_INT3("AMMS::CAMMSOrientationControl::SetOrientationL: %d, %d, %d", |
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53 aHeading, aPitch, aRoll); |
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54 |
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55 TInt32 convertedHeading = (TInt32)(aHeading * KDegToRad * |
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56 1000); // CSI: 47 Effect API uses thousands of radians # |
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57 |
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58 TInt32 convertedPitch = (TInt32)(aPitch * KDegToRad * |
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59 1000); // CSI: 47 Effect API uses thousands of radians # |
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60 |
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61 TInt32 convertedRoll = (TInt32)(aRoll * KDegToRad * |
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62 1000); // CSI: 47 Effect API uses thousands of radians # |
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63 |
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64 DEBUG_INT3("AMMS::CAMMSOrientationControl::SetOrientationL: %d, %d, %d", |
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65 convertedHeading, convertedPitch, convertedRoll); |
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66 |
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67 iOrientationEffect->SetOrientationL( |
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68 convertedHeading, convertedPitch, convertedRoll); |
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69 |
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70 // Apply updated settings to Effect API. |
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71 iOrientationEffect->ApplyL(); |
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72 } |
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73 |
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74 // ----------------------------------------------------------------------------- |
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75 // CAMMSOrientationControl::SetOrientationL |
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76 // Turns the object to the new orientation. |
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77 // ----------------------------------------------------------------------------- |
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78 void CAMMSOrientationControl::SetOrientationL( |
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79 TInt aFrontX, TInt aFrontY, TInt aFrontZ, |
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80 TInt aAboveX, TInt aAboveY, TInt aAboveZ) |
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81 { |
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82 // Check in debug build that parameters are not zero vectors. |
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83 __ASSERT_DEBUG(((aFrontX != 0) || |
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84 (aFrontY != 0) || |
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85 (aFrontZ != 0)) && |
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86 ((aAboveX != 0) || |
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87 (aAboveY != 0) || |
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88 (aAboveZ != 0)), |
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89 User::Invariant()); |
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90 |
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91 // Check in debug build that vectors are not parallel. |
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92 // Two vectors are parallel if their cross product is zero vector. |
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93 // Cross product of vectors a1*i + a2*j + a3*k and b1*i + b2*j + b3*k : |
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94 // (a2*b3 - a3*b2)i + (a3*b1 - a1*b3)j + (a1*b2 - a2*b1)k |
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95 __ASSERT_DEBUG( |
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96 ((aFrontY * aAboveZ) - (aFrontZ * aAboveY) != 0) || |
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97 ((aFrontZ * aAboveX) - (aFrontX * aAboveZ) != 0) || |
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98 ((aFrontX * aAboveY) - (aFrontY * aAboveX) != 0), |
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99 User::Invariant()); |
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100 |
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101 // Sets the Front and Above vectors for the orientation of the source/listener. |
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102 |
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103 DEBUG_INT3("AMMS::CAMMSOrientationControl::SetOrientationL: Front %d, %d, %d", |
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104 aFrontX, aFrontY, aFrontZ); |
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105 |
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106 DEBUG_INT3("AMMS::CAMMSOrientationControl::SetOrientationL: Above %d, %d, %d", |
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107 aAboveX, aAboveY, aAboveZ); |
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108 |
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109 iOrientationEffect->SetOrientationVectorsL( |
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110 (TInt32)aFrontX, (TInt32)aFrontY, (TInt32)aFrontZ, |
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111 (TInt32)aAboveX, (TInt32)aAboveY, (TInt32)aAboveZ); |
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112 |
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113 // Apply updated settings to Effect API. |
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114 iOrientationEffect->ApplyL(); |
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115 } |
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116 |
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117 // ----------------------------------------------------------------------------- |
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118 // CAMMSOrientationControl::OrientationVectors |
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119 // Gets the orientation of the object using two vectors. |
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120 // ----------------------------------------------------------------------------- |
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121 void CAMMSOrientationControl::OrientationVectors( |
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122 TInt& aFrontX, TInt& aFrontY, TInt& aFrontZ, |
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123 TInt& aAboveX, TInt& aAboveY, TInt& aAboveZ) |
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124 { |
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125 // Gets the orientation of the source. |
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126 |
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127 iOrientationEffect->OrientationVectors( |
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128 (TInt32&)aFrontX, (TInt32&)aFrontY, (TInt32&)aFrontZ, |
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129 (TInt32&)aAboveX, (TInt32&)aAboveY, (TInt32&)aAboveZ); |
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130 } |
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131 |
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132 // ----------------------------------------------------------------------------- |
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133 // CAMMSOrientationControl::CAMMSOrientationControl |
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134 // C++ constructor can NOT contain any code, that |
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135 // might leave. |
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136 // ----------------------------------------------------------------------------- |
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137 CAMMSOrientationControl::CAMMSOrientationControl(CMMAPlayer* aPlayer) |
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138 : CAMMSControl(aPlayer) |
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139 { |
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140 } |
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141 |
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142 // End of File |