Fix the way we compute light positions

We were using worldBoundingVolume->center() but this has been changed
recently and a null bounding volume now cannot be transformed.

Instead just use the worldMatrix transform to compute the light position.

Change-Id: I2d884a4a5a3808ff812eb581f6bb631bbe6ab4c1
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/render/renderers/opengl/renderer/renderview.cpp b/src/render/renderers/opengl/renderer/renderview.cpp
index 117aca3c7..dd394b5f7 100644
--- a/src/render/renderers/opengl/renderer/renderview.cpp
+++ b/src/render/renderers/opengl/renderer/renderview.cpp
@@ -1036,7 +1036,8 @@ void RenderView::setShaderAndUniforms(RenderCommand *command,
                     if (lightIdx == MAX_LIGHTS)
                         break;
                     Entity *lightEntity = lightSource.entity;
-                    const Vector3D worldPos = lightEntity->worldBoundingVolume()->center();
+                    const Matrix4x4 lightWorldTransform = *(lightEntity->worldTransform());
+                    const Vector3D worldPos = lightWorldTransform * Vector3D(0.0f, 0.0f, 0.0f);
                     for (Light *light : lightSource.lights) {
                         if (!light->isEnabled())
                             continue;