void AccuracyRingRenderable::RenderSpheres(Eegeo::Rendering::GLState &glState) const
{
glState.BindTexture2D(0);
glState.ColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
glState.DepthMask(GL_FALSE);
glState.DepthTest.Enable();
glState.DepthFunc(GL_LESS);
glState.CullFace.Disable();
glState.StencilTest.Enable();
glState.StencilFunc(GL_ALWAYS, 1, 0xFF);
glState.StencilOpSeparate(GL_FRONT, GL_KEEP, GL_KEEP, GL_INCR_WRAP);
glState.StencilOpSeparate(GL_BACK, GL_KEEP, GL_KEEP, GL_DECR_WRAP);
Eegeo::m44 transform;
Eegeo::m44 mvp;
transform.Scale(m_outerRingRadius*2);
transform.SetRow(3, Eegeo::v4(m_cameraRelativePosition, 1.0f));
Eegeo::m44::Mul(mvp, m_viewProjection, transform);
m_sphereRenderable.SetModelViewProjection(mvp);
m_sphereRenderable.Render(glState);
transform.Scale(m_innerRingRadius*2);
transform.SetRow(3, Eegeo::v4(m_cameraRelativePosition, 1.0f));
Eegeo::m44::Mul(mvp, m_viewProjection, transform);
m_sphereRenderable.SetModelViewProjection(mvp);
m_sphereRenderable.Render(glState);
}
void PinOverModelExample::MyModelRenderable::Render(Eegeo::Rendering::GLState& glState) const
{
Eegeo::m44 transform;
Eegeo::dv3 location = Eegeo::Space::LatLong::FromDegrees(37.7858,-122.401).ToECEF();
Eegeo::v3 up(location.Norm().ToSingle());
Eegeo::v3 forward = (location - Eegeo::v3(0.f, 1.f, 0.f)).Norm().ToSingle();
Eegeo::v3 right(Eegeo::v3::Cross(up, forward).Norm());
forward = Eegeo::v3::Cross(up, right);
Eegeo::v3 cameraRelativePos = (location - m_renderContext.GetCameraOriginEcef()).ToSingle();
Eegeo::m44 scaleMatrix;
scaleMatrix.Scale(1.f);
Eegeo::m44 cameraRelativeTransform;
cameraRelativeTransform.SetFromBasis(right, up, forward, cameraRelativePos);
Eegeo::m44::Mul(transform, cameraRelativeTransform, scaleMatrix);
transform.SetRow(3, Eegeo::v4(cameraRelativePos, 1.f));
glState.DepthTest.Enable();
glState.DepthFunc(GL_LEQUAL);
//loaded model faces are ccw
glState.FrontFace(GL_CCW);
m_model.GetRootNode()->SetVisible(true);
m_model.GetRootNode()->SetLocalMatrix(transform);
m_model.GetRootNode()->UpdateRecursive();
m_model.GetRootNode()->UpdateSphereRecursive();
m_model.GetRootNode()->DrawRecursive(m_renderContext, m_globalFogging, NULL, true, false);
glState.FrontFace(GL_CW);
Eegeo::EffectHandler::Reset();
}
void PODAnimationExample::Draw()
{
//create basis around a known location off coast of SF
Eegeo::m44 transform;
Eegeo::dv3 location = Eegeo::dv3(4256955.9749164,3907407.6184668,-2700108.75541722);
Eegeo::v3 up(location.Norm().ToSingle());
Eegeo::v3 forward = (location - Eegeo::v3(0.f, 1.f, 0.f)).Norm().ToSingle();
Eegeo::v3 right(Eegeo::v3::Cross(up, forward).Norm());
forward = Eegeo::v3::Cross(up, right);
Eegeo::v3 cameraRelativePos = (location - cameraModel.GetWorldPosition()).ToSingle();
Eegeo::m44 scaleMatrix;
scaleMatrix.Scale(1.f);
Eegeo::m44 cameraRelativeTransform;
cameraRelativeTransform.SetFromBasis(right, up, forward, cameraRelativePos);
Eegeo::m44::Mul(transform, cameraRelativeTransform, scaleMatrix);
transform.SetRow(3, Eegeo::v4(cameraRelativePos, 1.f));
//loaded model faces are ccw
renderContext.GetGLState().FrontFace(GL_CCW);
pModel->GetRootNode()->SetVisible(true);
pModel->GetRootNode()->SetLocalMatrix(transform);
pModel->GetRootNode()->UpdateRecursive();
pModel->GetRootNode()->UpdateSphereRecursive();
pModel->GetRootNode()->DrawRecursive(renderContext, globalFogging, NULL, true, false);
renderContext.GetGLState().FrontFace(GL_CW);
}
void LoadModelExample::Draw()
{
//form basis
Eegeo::v3 up(mesh.up);
Eegeo::v3 forward = -mesh.forward; //model is facing reverse (-ve z)
Eegeo::v3 right(Eegeo::v3::Cross(up, forward).Norm());
up = Eegeo::v3::Cross(forward, right);
//compute a camera local position
Eegeo::v3 cameraRelativePos = (mesh.positionEcef - renderContext.GetCameraOriginEcef()).ToSingle();
//generate a transform from this basis and position...
Eegeo::m44 cameraRelativeTransform;
cameraRelativeTransform.SetFromBasis(right, up, forward, cameraRelativePos);
Eegeo::m44 scaleMatrix;
scaleMatrix.Scale(mesh.scale);
//...and scale
Eegeo::m44 transform;
Eegeo::m44::Mul(transform, cameraRelativeTransform, scaleMatrix);
transform.SetRow(3, Eegeo::v4(cameraRelativePos, 1.0f));
//update the mesh instance with the transform
mesh.node->SetLocalMatrix(transform);
mesh.node->UpdateRecursive();
mesh.node->UpdateSphereRecursive();
mesh.node->UpdateBBRecursive();
// Enable z buffering.
Eegeo::Rendering::GLState& glState = renderContext.GetGLState();
glState.DepthTest.Enable();
glState.DepthFunc(GL_LEQUAL);
glState.DepthMask(GL_TRUE);
//draw the mesh
mesh.node->DrawRecursive(renderContext, globalFogging, NULL, true, true);
Eegeo::v3 min, max;
mesh.node->GetMinExtent(min);
mesh.node->GetMaxExtent(max);
boundsVisualiser.Draw(min, max);
}