| 51 | */ |
| 52 | |
| 53 | void SkyboxBackground::Draw(const AbstractViewer* viewer) const |
| 54 | { |
| 55 | Matrix4f skyboxMatrix(viewer->GetViewMatrix()); |
| 56 | skyboxMatrix.SetTranslation(Vector3f::Zero()); |
| 57 | |
| 58 | float zNear = viewer->GetZNear(); |
| 59 | |
| 60 | constexpr float movementLimit = 0.05f; |
| 61 | |
| 62 | Vector3f offset = (viewer->GetEyePosition() - m_movementOffset) * -m_movementScale; |
| 63 | offset.x = Clamp(offset.x, -movementLimit, movementLimit); |
| 64 | offset.y = Clamp(offset.y, -movementLimit, movementLimit); |
| 65 | offset.z = Clamp(offset.z, -movementLimit, movementLimit); |
| 66 | offset *= zNear; |
| 67 | |
| 68 | Matrix4f world; |
| 69 | world.MakeIdentity(); |
| 70 | world.SetScale(Vector3f(zNear)); |
| 71 | world.SetTranslation(offset); |
| 72 | |
| 73 | Renderer::SetIndexBuffer(s_indexBuffer); |
| 74 | Renderer::SetMatrix(MatrixType_View, skyboxMatrix); |
| 75 | Renderer::SetMatrix(MatrixType_World, world); |
| 76 | Renderer::SetRenderStates(s_renderStates); |
| 77 | Renderer::SetShader(s_shader); |
| 78 | Renderer::SetTexture(0, m_texture); |
| 79 | Renderer::SetTextureSampler(0, m_sampler); |
| 80 | Renderer::SetVertexBuffer(s_vertexBuffer); |
| 81 | |
| 82 | Renderer::DrawIndexedPrimitives(PrimitiveMode_TriangleList, 0, 36); |
| 83 | |
| 84 | Renderer::SetMatrix(MatrixType_View, viewer->GetViewMatrix()); |
| 85 | } |
| 86 | |
| 87 | /*! |
| 88 | * \brief Gets the background type |
nothing calls this directly
no test coverage detected