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Added option for billboard to be position based instead of view based

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This commit is contained in:
Antoine Pilote
2023-09-30 14:27:05 -04:00
parent e284b89769
commit db1ce08c42
1 changed files with 28 additions and 6 deletions
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34
Nuake/src/Rendering/SceneRenderer.cpp
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@@ -391,7 +391,19 @@ namespace Nuake
auto finalQuadTransform = transform.GetGlobalTransform();
if (sprite.Billboard)
{
finalQuadTransform = glm::inverse(mView);
if (sprite.PositionFacing)
{
const Matrix4& invView = glm::inverse(mView);
const Vector3& cameraPosition = Vector3(invView[3][0], invView[3][1], invView[3][2]);
const Vector3& spritePosition = Vector3(finalQuadTransform[3][0], finalQuadTransform[3][1], finalQuadTransform[3][2]);
const Vector3& direction = cameraPosition - spritePosition;
finalQuadTransform = glm::inverse(glm::lookAt(Vector3(), direction, Vector3(0, 1, 0)));
}
else
{
finalQuadTransform = glm::inverse(mView);
}
if (sprite.LockYRotation)
{
@@ -401,8 +413,7 @@ namespace Nuake
finalQuadTransform = finalQuadTransform;
}
// Translation
finalQuadTransform[3] = Vector4(transform.GetGlobalPosition(), 1.0f);
finalQuadTransform[3] = Vector4(Vector3(transform.GetGlobalTransform()[3]), 1.0f);
// Scale
finalQuadTransform = glm::scale(finalQuadTransform, transform.GetGlobalScale());
@@ -517,7 +528,19 @@ namespace Nuake
auto finalQuadTransform = transform.GetGlobalTransform();
if (sprite.Billboard)
{
finalQuadTransform = glm::inverse(mView);
if (sprite.PositionFacing)
{
const Matrix4& invView = glm::inverse(mView);
const Vector3& cameraPosition = Vector3(invView[3][0], invView[3][1], invView[3][2]);
const Vector3& spritePosition = Vector3(finalQuadTransform[3][0], finalQuadTransform[3][1], finalQuadTransform[3][2]);
const Vector3& direction = cameraPosition - spritePosition;
finalQuadTransform = glm::inverse(glm::lookAt(Vector3(), direction, Vector3(0, 1, 0)));
}
else
{
finalQuadTransform = glm::inverse(mView);
}
if (sprite.LockYRotation)
{
@@ -527,8 +550,7 @@ namespace Nuake
finalQuadTransform = finalQuadTransform;
}
// Translation
finalQuadTransform[3] = Vector4(transform.GetGlobalPosition(), 1.0f);
finalQuadTransform[3] = Vector4(Vector3(transform.GetGlobalTransform()[3]), 1.0f);
// Scale
finalQuadTransform = glm::scale(finalQuadTransform, transform.GetGlobalScale());