Graphics/SkyboxBackground: Add movement scaler

Former-commit-id: 02682210b2b3d4b0cf27c6dd8cf171a025a92701
This commit is contained in:
Lynix
2015-12-10 14:08:09 +01:00
parent 11abcc7da4
commit 91f778dd89
3 changed files with 51 additions and 4 deletions

View File

@@ -22,9 +22,11 @@ namespace Nz
static VertexBufferRef s_vertexBuffer;
}
SkyboxBackground::SkyboxBackground(TextureRef cubemapTexture)
SkyboxBackground::SkyboxBackground(TextureRef cubemapTexture) :
m_movementOffset(Vector3f::Zero()),
m_movementScale(0.f)
{
m_sampler.SetWrapMode(SamplerWrap_Clamp); // Nécessaire pour ne pas voir les côtés
m_sampler.SetWrapMode(SamplerWrap_Clamp); // We don't want to see any beam
SetTexture(std::move(cubemapTexture));
}
@@ -34,9 +36,24 @@ namespace Nz
Matrix4f skyboxMatrix(viewer->GetViewMatrix());
skyboxMatrix.SetTranslation(Vector3f::Zero());
float zNear = viewer->GetZNear();
constexpr float movementLimit = 0.05f;
Vector3f offset = (viewer->GetEyePosition() - m_movementOffset) * -m_movementScale;
offset.x = Clamp(offset.x, -movementLimit, movementLimit);
offset.y = Clamp(offset.y, -movementLimit, movementLimit);
offset.z = Clamp(offset.z, -movementLimit, movementLimit);
offset *= zNear;
Matrix4f world;
world.MakeIdentity();
world.SetScale(Vector3f(zNear));
world.SetTranslation(offset);
Renderer::SetIndexBuffer(s_indexBuffer);
Renderer::SetMatrix(MatrixType_View, skyboxMatrix);
Renderer::SetMatrix(MatrixType_World, Matrix4f::Scale(Vector3f(viewer->GetZNear())));
Renderer::SetMatrix(MatrixType_World, world);
Renderer::SetRenderStates(s_renderStates);
Renderer::SetShader(s_shader);
Renderer::SetTexture(0, m_texture);