bool M4TransformVectorTest::DoTest()
{
Matrix4 Dummy;
Dummy.TransformVector(m_oVector, m_fAngle, m_cAxis, m_fScale);
cout<< "\n---------------M4TransformVectorTest---------------\n";
return (m_oVector == m_oResult);
}
void BatchRenderer::DrawArrow( const Matrix4& arrowTransform, const FColor& color, FLOAT arrowLength, FLOAT headSize )
{
mxSWIPED("Unreal Engine 3");
const Vec3D origin = arrowTransform.GetTranslation();
const Vec3D endPoint = arrowTransform.TransformVector(Vec3D( arrowLength, 0.0f, 0.0f ));
const FLOAT headScale = 0.5f;
const FColor& startColor = FColor::WHITE;
const FColor& endColor = color;
this->DrawLine3D( origin, endPoint, startColor, endColor );
this->DrawLine3D( endPoint, arrowTransform.TransformVector(Vec3D( arrowLength-headSize, +headSize*headScale, +headSize*headScale )), startColor, endColor );
this->DrawLine3D( endPoint, arrowTransform.TransformVector(Vec3D( arrowLength-headSize, +headSize*headScale, -headSize*headScale )), startColor, endColor );
this->DrawLine3D( endPoint, arrowTransform.TransformVector(Vec3D( arrowLength-headSize, -headSize*headScale, +headSize*headScale )), startColor, endColor );
this->DrawLine3D( endPoint, arrowTransform.TransformVector(Vec3D( arrowLength-headSize, -headSize*headScale, -headSize*headScale )), startColor, endColor );
}
void Draw( BatchRenderer & batchRenderer, const Matrix4& transform, const FColor& color )
{
const Vec3D apex = transform.TransformVector( arrowHeadVertex );
// draw the 'stem'
batchRenderer.DrawLine3D( transform.GetTranslation(), apex, FColor::WHITE, color );
// draw the arrow head
for( UINT iSegment = 0 ; iSegment < AXIS_ARROW_SEGMENTS ; iSegment++ )
{
const Vec3D& p0 = transform.TransformVector( arrowVertices[ iSegment ] );
const Vec3D& p1 = transform.TransformVector( arrowVertices[ iSegment + 1 ] );
// Draw the base triangle of the cone.
// NOTE: no need because we disabled backface culling
//batchRenderer.DrawSolidTriangle3D( p0,p1,arrowBaseVertex,color );
// Draw the top triangle of the cone.
batchRenderer.DrawSolidTriangle3D( p0, p1, apex, color );
}
}