void Camera::SetPerspectiveProjection( const float fov,
const float aspectRatio,
const float nearPlane,
const float farPlane)
{
m_projectionMatrix = CreatePerspectiveMatrix( fov, aspectRatio, nearPlane, farPlane);
}
void SetModelMatrices()
{
Matrix matWorld, rotMatrix, transMatrix, scaleMatrix;
CreateRotationYMatrix(&rotMatrix, (timeGetTime()%2000)*(2.0f*M_PI)/2000.0f);
CreateTranslationMatrix(&transMatrix, 0.0f, ytranslation, 0.0f);
CreateScaleMatrix(&scaleMatrix, scaling, scaling, scaling);
MultiplyMatrices(&matWorld, &rotMatrix, &transMatrix);
//MultiplyMatrices(&matWorld, &matWorld, &scaleMatrix);
matWorld *= scaleMatrix;
Matrix finalmatrix = matWorld;
Vector3 vEyePt( 0.0f, 18.0f,-20.0f );
Vector3 vLookatPt( 0.0f, 0.0f, 0.0f );
Vector3 vUpVec( 0.0f, 1.0f, 0.0f );
Matrix matView;
CreateLookAtLHViewMatrix( &matView, &vEyePt, &vLookatPt, &vUpVec );
finalmatrix *= matView;
Matrix matProj;
CreatePerspectiveMatrix( &matProj, M_PI / 4, 1.0f, 1.0f, 100.0f );
finalmatrix *= matProj;
SetTransformMatrix(&finalmatrix);
}
void SetConstantMatrices()
{
Vector3 vCamDir = Vector3(0.0f, 0.0f, 5.0f);
//Matrix mCamRot; D3DXMatrixRotationYawPitchRoll(&mCamRot, camyaw, campitch, 0.0f);
Matrix mCamRot, roty, rotx;
CreateRotationYMatrix(&roty, -camyaw);
CreateRotationXMatrix(&rotx, -campitch);
MultiplyMatrices(&mCamRot, &rotx, &roty);
TransformNormal3(&vLAD, &vCamDir, &mCamRot);
Vector3 vLookatPt = camerapos + vLAD; //camerapos + Vector3(0.0f, 0.0f, 5.0f);
Vector3 vUpVec( 0.0f, 1.0f, 0.0f );
CreateLookAtLHViewMatrix(&matView, &camerapos, &vLookatPt, &vUpVec);
//ddev->SetTransform( D3DTS_VIEW, &matView );
CreatePerspectiveMatrix( &matProj, verticalfov, (float)scrw/(float)scrh, 1.0f, farzvalue );
//ddev->SetTransform( D3DTS_PROJECTION, &matProj );
MultiplyMatrices(&vpmatrix, &matView, &matProj);
CreateTranslationMatrix(&camworld, camerapos.x, camerapos.y, camerapos.z);
camworld *= mCamRot;
}
