virtual void GUIPanel() override {
Application::GUIPanel();
// proj
ImGui::Separator();
ImGui::DragFloat("Cam FOV", &m_CameraFOV, 0.05f);
// model
ImGui::Separator();
ImGui::Separator();
AVector3 pos = m_Root.GetLocalTranslation();
ImGui::DragFloat3("Cube Pos", (float*)&pos, 0.05f);
m_Root.SetLocalTranslation(pos);
AVector3 rot = m_Root.GetLocalRotation() * AVector3(Rad2Deg);
ImGui::DragFloat3("Cube Rot", (float*)&rot, 0.05f);
m_Root.SetLocalRotation(rot * AVector3(Deg2Rad));
AVector3 sca = m_Root.GetLocalScale();
ImGui::DragFloat3("Cube Scale", (float*)&sca, 0.05f);
m_Root.SetLocalScale(sca);
ImGui::Checkbox("Spin Cube", &m_SpinCube);
ImGui::DragFloat("Spin Speed", &m_CubeRotationSpeed, 0.001f);
// application
ImGui::Separator();
if (ImGui::Button("Reset")) {
ResetScene();
}
}
virtual void Tick(float deltaTime) override {
Application::Tick(deltaTime);
m_AppTime += deltaTime;
constexpr float tau = 6.28318530718;
AVector3 r = m_Root.GetLocalRotation();
r.x = WrapMinMax(r.x, 0.f, tau);
r.y = WrapMinMax(r.y, 0.f, tau);
r.z = WrapMinMax(r.z, 0.f, tau);
m_Root.SetLocalRotation(r);
r = m_Root.GetLocalRotation();
if (m_SpinCube) {
m_Root.SetLocalRotation(r += AVector3(deltaTime * m_CubeRotationSpeed));
}
size_t i = 0;
for (int x = -CUBES_XYZ[0]; x < CUBES_XYZ[0]; ++x) {
for (int y = -CUBES_XYZ[1]; y < CUBES_XYZ[1]; ++y) {
for (int z = -CUBES_XYZ[2]; z < CUBES_XYZ[2]; ++z) {
m_Cubes[i].SetLocalRotation((AVector3((float)x, (float)y, (float)z ) * AVector3(m_AppTime*m_CubeRotationSpeed)));
++i;
}
}
}
m_CamTarget = m_Root.GetLocalTranslation();
m_Proj = AMatrix4x4::PerspectiveFOV(m_CameraFOV * Deg2Rad, (float)m_Width / (float)m_Height);
m_View = AMatrix4x4::LookAt(m_CamPosition, m_CamTarget, m_CamUp);
AMatrix4x4::Invert(m_View);
m_Scene.Update();
for (auto& so : m_Cubes) {
m_MatrixMVP = so.GetModelNoUpdate() * (m_View * m_Proj);
SetMVP(m_MatrixMVP.v);
RenderCube();
}
}
