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Code Issues Releases Wiki Activity

prepare support for VR

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This commit is contained in:
erwin coumans 2016-05-19 09:19:36 -07:00
parent 876c9e57fe
commit b961545292
3 changed files with 41 additions and 5 deletions
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2
examples/CommonInterfaces/CommonCameraInterface.h
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@ -6,6 +6,8 @@ struct CommonCameraInterface
virtual void getCameraProjectionMatrix(float m[16])const = 0;
virtual void getCameraViewMatrix(float m[16]) const = 0;
virtual void setVRCamera(const float viewMat[16], const float projectionMatrix[16])=0;
virtual void getCameraTargetPosition(float pos[3]) const = 0;
virtual void getCameraPosition(float pos[3]) const = 0;

42
examples/OpenGLWindow/SimpleCamera.cpp
View File

@ -16,7 +16,8 @@ struct SimpleCameraInternalData
m_pitch(0),
m_aspect(1),
m_frustumZNear(0.01),
m_frustumZFar(1000)
m_frustumZFar(1000),
m_enableVR(false)
{
}
b3Vector3 m_cameraTargetPosition;
@ -32,6 +33,11 @@ struct SimpleCameraInternalData
float m_aspect;
float m_frustumZNear;
float m_frustumZFar;
bool m_enableVR;
float m_viewMatrixVR[16];
float m_projectionMatrixVR[16];
};
@ -46,7 +52,15 @@ SimpleCamera::~SimpleCamera()
delete m_data;
}
void SimpleCamera::setVRCamera(const float viewMat[16], const float projectionMatrix[16])
{
m_data->m_enableVR = true;
for (int i=0;i<16;i++)
{
m_data->m_viewMatrixVR[i] = viewMat[i];
m_data->m_projectionMatrixVR[i] = projectionMatrix[i];
}
}
static void b3CreateFrustum(
@ -171,7 +185,7 @@ void SimpleCamera::update()
break;
default:
{
b3Assert(0);
//b3Assert(0);
return;
}
};
@ -209,11 +223,29 @@ void SimpleCamera::update()
void SimpleCamera::getCameraProjectionMatrix(float projectionMatrix[16]) const
{
b3CreateFrustum(-m_data->m_aspect * m_data->m_frustumZNear, m_data->m_aspect * m_data->m_frustumZNear, -m_data->m_frustumZNear,m_data->m_frustumZNear, m_data->m_frustumZNear, m_data->m_frustumZFar,projectionMatrix);
if (m_data->m_enableVR)
{
for (int i=0;i<16;i++)
{
projectionMatrix[i] = m_data->m_projectionMatrixVR[i];
}
} else
{
b3CreateFrustum(-m_data->m_aspect * m_data->m_frustumZNear, m_data->m_aspect * m_data->m_frustumZNear, -m_data->m_frustumZNear,m_data->m_frustumZNear, m_data->m_frustumZNear, m_data->m_frustumZFar,projectionMatrix);
}
}
void SimpleCamera::getCameraViewMatrix(float viewMatrix[16]) const
{
b3CreateLookAt(m_data->m_cameraPosition,m_data->m_cameraTargetPosition,m_data->m_cameraUp,viewMatrix);
if (m_data->m_enableVR)
{
for (int i=0;i<16;i++)
{
viewMatrix[i] = m_data->m_viewMatrixVR[i];
}
} else
{
b3CreateLookAt(m_data->m_cameraPosition,m_data->m_cameraTargetPosition,m_data->m_cameraUp,viewMatrix);
}
}
void SimpleCamera::getCameraTargetPosition(double pos[3]) const

2
examples/OpenGLWindow/SimpleCamera.h
View File

@ -14,6 +14,8 @@ struct SimpleCamera : public CommonCameraInterface
virtual void getCameraProjectionMatrix(float m[16]) const;
virtual void getCameraViewMatrix(float m[16]) const;
virtual void setVRCamera(const float viewMat[16], const float projectionMatrix[16]);
virtual void getCameraTargetPosition(float pos[3]) const;
virtual void getCameraPosition(float pos[3]) const;