void pgCamera::SetDimension(const MtVector2 &v2Dimension)
{
BtFloat width = v2Dimension.x;
BtFloat height = v2Dimension.y;
BtFloat fieldOfView = m_camera.FieldOfView();
BtFloat nearPlane = m_camera.NearPlane();
BtFloat farPlane = m_camera.FarPlane();
m_camera = RsCamera(nearPlane, farPlane, width / height, RsViewport(0, 0, (BtU32)width, (BtU32)height), fieldOfView);
m_camera.SetDimension(v2Dimension);
m_camera.SetPerspective(BtTrue);
}
RsCamera::RsCamera()
{
m_nearPlane = 0.1f;
m_farPlane = 1000.0f;
m_fieldOfView = MtDegreesToRadians( 60.0f );
m_v3Position = MtVector3(0, 0, 0);
m_m3Orientation.SetIdentity();
m_viewport = RsViewport( 0, 0, 0, 0 );
m_aspect = 0;
m_isPerspective = BtTrue;
m_width = 0;
m_height = 0;
}
void pgCamera::Init()
{
BtFloat width = (BtFloat)RsUtil::GetWidth();
BtFloat height = (BtFloat)RsUtil::GetHeight();
m_camera = RsCamera(0.1f, 10000.0f, width / height, RsViewport(0, 0, (BtU32)width, (BtU32)height), MtDegreesToRadians(60.0f));
m_camera.SetDimension(RsUtil::GetDimension());
m_camera.SetPerspective(BtTrue);
m_cameraData.m_v3Position = MtVector3(0, 0, 0);
m_cameraData.m_m3Rotation.SetIdentity();
m_speed = 100.0f;
m_cameraData.m_pitch = 0;
m_cameraData.m_yaw = 0;
m_isFlyCam = BtTrue;
}
void SbPaint::SetupRenderToTexture()
{
// Make a new render target
RsRenderTarget *pRenderTarget = RsUtil::GetNewRenderTarget();
// Set the render target name
pRenderTarget->SetName( "painting" );
// Make a new render target
RsCamera camera( (BtFloat)m_width, (BtFloat)m_height, 0.01f, 10000.0f, RsViewport(0, 0, m_width, m_height) );
// Update the camera
camera.Update();
// Set the texture
RsTexture *pTexture = m_pRenderTarget->GetTexture(0);
pRenderTarget->SetTexture( pTexture );
// Set the camera
pRenderTarget->SetCamera(camera);
// Clear the render target
if( m_isClear )
{
m_isClear = BtFalse;
pRenderTarget->SetCleared( BtTrue );
}
else
{
pRenderTarget->SetCleared( BtFalse );
}
// Clear the z buffer
pRenderTarget->SetZCleared( BtFalse );
// Clear the screen to black
pRenderTarget->SetClearColour( RsColour::WhiteColour() );
// Apply this render target
pRenderTarget->Apply();
}
