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Render: Objects disappear in a pattern #695 #696

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Merged
eprikazchikov merged 1 commit into from
Mar 17, 2024
Merged

Render: Objects disappear in a pattern #695 #696

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8 changes: 4 additions & 4 deletions engine/src/components/transform.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,8 @@
Every Transform can have a parent, which allows you to apply position, rotation and scale hierarchically.
*/

static hash<float> hash_float;

Transform::Transform() :
m_position(Vector3()),
m_rotation(Vector3()),
Expand Down Expand Up @@ -269,11 +271,9 @@ void Transform::cleanDirty() const {
m_worldQuaternion = m_parent->worldQuaternion() * m_worldQuaternion;
m_worldTransform = m_parent->worldTransform() * m_worldTransform;
}
int32_t buffer[16];
memcpy(buffer, &m_worldTransform[0], sizeof(float) * 16);
m_hash = 0;
m_hash = 16;
for(int i = 0; i < 16; i++) {
m_hash ^= buffer[i];
m_hash ^= hash_float(m_worldTransform[i]) + 0x9e3779b9 + (m_hash << 6 ) + (m_hash >> 2);
}
m_dirty = false;
}