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fix portal view calculation

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This commit is contained in:
HifiExperiments 2024-01-03 16:33:45 -08:00
parent c608e82f22
commit 446207a4b4
1 changed files with 8 additions and 0 deletions
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8
libraries/entities-renderer/src/RenderableEntityItem.cpp
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@ -268,6 +268,10 @@ ItemID EntityRenderer::computeMirrorViewOperator(ViewFrustum& viewFrustum, const
glm::vec3 cameraPositionWorld = viewFrustum.getPosition(); glm::vec3 cameraPositionWorld = viewFrustum.getPosition();
glm::vec3 cameraPositionIn = vec3(worldToIn * vec4(cameraPositionWorld, 1.0f)); glm::vec3 cameraPositionIn = vec3(worldToIn * vec4(cameraPositionWorld, 1.0f));
glm::vec3 mirrorCameraPositionIn = vec3(cameraPositionIn.x, cameraPositionIn.y, -cameraPositionIn.z); glm::vec3 mirrorCameraPositionIn = vec3(cameraPositionIn.x, cameraPositionIn.y, -cameraPositionIn.z);
if (foundPortalExit) {
// portals also flip over x
mirrorCameraPositionIn.x *= -1.0f;
}
glm::vec3 mirrorCameraPositionWorld = vec3(outToWorld * vec4(mirrorCameraPositionIn, 1.0f)); glm::vec3 mirrorCameraPositionWorld = vec3(outToWorld * vec4(mirrorCameraPositionIn, 1.0f));
// get mirror camera rotation by reflecting main camera rotation in mirror space // get mirror camera rotation by reflecting main camera rotation in mirror space
@ -276,6 +280,10 @@ ItemID EntityRenderer::computeMirrorViewOperator(ViewFrustum& viewFrustum, const
glm::quat mainCameraRotationMirror = worldToIn * glm::mat4_cast(mainCameraRotationWorld); glm::quat mainCameraRotationMirror = worldToIn * glm::mat4_cast(mainCameraRotationWorld);
glm::quat mirrorCameraRotationMirror = glm::quat(mainCameraRotationMirror.w, -mainCameraRotationMirror.x, -mainCameraRotationMirror.y, mainCameraRotationMirror.z) * glm::quat mirrorCameraRotationMirror = glm::quat(mainCameraRotationMirror.w, -mainCameraRotationMirror.x, -mainCameraRotationMirror.y, mainCameraRotationMirror.z) *
glm::angleAxis((float)M_PI, glm::vec3(0, 1, 0)); glm::angleAxis((float)M_PI, glm::vec3(0, 1, 0));
if (foundPortalExit) {
// portals also flip over x
mirrorCameraRotationMirror = glm::quat(mirrorCameraRotationMirror.w, mirrorCameraRotationMirror.x, -mirrorCameraRotationMirror.y, -mirrorCameraRotationMirror.z);
}
glm::quat mirrorCameraRotationWorld = outToWorld * glm::mat4_cast(mirrorCameraRotationMirror); glm::quat mirrorCameraRotationWorld = outToWorld * glm::mat4_cast(mirrorCameraRotationMirror);
viewFrustum.setPosition(mirrorCameraPositionWorld); viewFrustum.setPosition(mirrorCameraPositionWorld);