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jonschz 2024-05-03 18:31:52 +02:00
parent 2f8c93508f
commit 5e4d7e5dc2
1 changed files with 25 additions and 29 deletions
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54
LEGO1/realtime/matrix.h
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@ -162,36 +162,32 @@ inline void Matrix4::ToQuaternion(Vector4& p_outQuat)
p_outQuat[0] = (m_data[2][1] - m_data[1][2]) * trace;
p_outQuat[1] = (m_data[0][2] - m_data[2][0]) * trace;
p_outQuat[2] = (m_data[1][0] - m_data[0][1]) * trace;
return;
} else {
// GLOBAL: LEGO1 0x100d4090
static int rotateIndex[] = {1, 2, 0};
// Largest element along the trace
int largest = 0;
if (m_data[0][0] < m_data[1][1]) {
largest = 1;
}
if (*Element(largest, largest) < m_data[2][2]) {
largest = 2;
}
int next = rotateIndex[largest];
int nextNext = rotateIndex[next];
float trace = sqrt(*Element(largest, largest) - (*Element(nextNext, nextNext) + *Element(next, next)) + 1.0);
p_outQuat[largest] = trace * 0.5f;
trace = 0.5f / trace;
p_outQuat[3] = (*Element(nextNext, next) - *Element(next, nextNext)) * trace;
p_outQuat[next] = (*Element(largest, next) + *Element(next, largest)) * trace;
p_outQuat[nextNext] = (*Element(largest, nextNext) + *Element(nextNext, largest)) * trace;
}
// GLOBAL: LEGO1 0x100d4090
static int rotateIndex[] = {1, 2, 0};
// Largest element along the trace
int largest = 0;
if (m_data[0][0] < m_data[1][1]) {
largest = 1;
}
if (*Element(largest, largest) < m_data[2][2]) {
largest = 2;
}
int next = rotateIndex[largest];
int nextNext = rotateIndex[next];
trace = *Element(nextNext, nextNext);
trace += *Element(next, next);
trace = *Element(largest, largest) - trace;
trace += 1.0f;
trace = sqrt(trace);
p_outQuat[largest] = trace * 0.5f;
trace = 0.5f / trace;
p_outQuat[3] = (*Element(nextNext, next) - *Element(next, nextNext)) * trace;
p_outQuat[next] = (*Element(largest, next) + *Element(next, largest)) * trace;
p_outQuat[nextNext] = (*Element(largest, nextNext) + *Element(nextNext, largest)) * trace;
}
// FUNCTION: LEGO1 0x10002710