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Now caching resulting absolute model matrices as well

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sippeangelo
2016-03-12 04:10:14 +01:00
parent 01db8e0615
commit df7b4faf24
1 changed files with 10 additions and 1 deletions
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src/Engine/Core/Transform.cpp
+10 -1
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@@ -145,7 +145,16 @@ glm::mat4 Transform::ModelMatrix(EntityID entityID, World* world)
glm::mat4 Transform::ModelMatrix(EntityWrapper entity)
{
return glm::translate(AbsolutePosition(entity)) * glm::toMat4(AbsoluteOrientation(entity)) * glm::scale(AbsoluteScale(entity));
auto cacheIt = MatrixCache.find(entity);
ComponentWrapper cTransform = entity["Transform"];
bool isDirty = cTransform["Position"].Dirty(DirtySetType::Transform) || cTransform["Orientation"].Dirty(DirtySetType::Transform) || cTransform["Scale"].Dirty(DirtySetType::Transform);
if (cacheIt != MatrixCache.end() && !isDirty) {
return cacheIt->second;
} else {
glm::mat4 matrix = glm::translate(AbsolutePosition(entity)) * glm::toMat4(AbsoluteOrientation(entity)) * glm::scale(AbsoluteScale(entity));
MatrixCache[entity] = matrix;
return matrix;
}
}
glm::vec3 Transform::TransformPoint(const glm::vec3& point, const glm::mat4& matrix)