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Editor scaling/rot works properly now

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MegaMech
2025-03-30 12:37:42 -06:00
parent 6fd37ef551
commit 2668713f47
6 changed files with 62 additions and 28 deletions
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src/engine/editor/Gizmo.cpp
+53 -24
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@@ -149,48 +149,77 @@ f32 Gizmo::SnapToSurface(FVector* pos) {
}
void Gizmo::Rotate() {
float length = 180.0f;
float sensitivity = 0.2f;
FVector cam = FVector(cameras[0].pos[0], cameras[0].pos[1], cameras[0].pos[2]);
if (_selected->Rot == nullptr) {
if (_selected == nullptr || _selected->Rot == nullptr) {
return;
}
length = sqrt(
pow(_selected->Pos->x - cameras[0].pos[0], 2) +
pow(_selected->Pos->y - cameras[0].pos[1], 2) +
pow(_selected->Pos->z - cameras[0].pos[2], 2)
);
// Store initial scale at the beginning of the drag
if (ManipulationStart) {
ManipulationStart = false;
InitialRotation = *_selected->Rot; // Store initial rotation
}
FVector cameraPos = {
cameras[0].pos[0] + _ray.x * length,
cameras[0].pos[1] + _ray.y * length,
cameras[0].pos[2] + _ray.z * length,
};
// Initial click position
FVector clickPos = *_selected->Pos - _cursorOffset;
float angle = CalculateAngle(_cursorOffset, cameraPos) * 100;
// Calculate difference
FVector diff = (cam + _ray * PickDistance) - clickPos;
// printf("start %f %f %f end %f %f %f angle %f\n", _cursorOffset.x, _cursorOffset.y, _cursorOffset.z, cameraPos.x, cameraPos.y, cameraPos.z, angle);
// Depending on which axis or handle you want to rotate, apply rotation.
switch(SelectedHandle) {
case GizmoHandle::All_Axis:
_selected->Rot->pitch = _selected->Rot->pitch + angle;
_selected->Rot->yaw = _selected->Rot->yaw + angle;
break;
// Set rotation sensitivity
diff = diff * 100.0f;
switch (SelectedHandle) {
case GizmoHandle::X_Axis:
_selected->Rot->pitch = _selected->Rot->pitch + angle;
_selected->Rot->pitch = (uint16_t)InitialRotation.pitch + diff.x;
break;
case GizmoHandle::Y_Axis:
_selected->Rot->yaw = _selected->Rot->yaw + angle;
_selected->Rot->yaw = (uint16_t)InitialRotation.yaw + diff.y;
break;
case GizmoHandle::Z_Axis:
_selected->Rot->roll = _selected->Rot->roll + angle;
_selected->Rot->roll = (uint16_t)InitialRotation.roll + diff.z;
break;
}
}
void Gizmo::Scale() {
FVector cam = FVector(cameras[0].pos[0], cameras[0].pos[1], cameras[0].pos[2]);
if (_selected == nullptr || _selected->Scale == nullptr) {
return;
}
// Store initial scale at the beginning of the drag
if (ManipulationStart) {
ManipulationStart = false;
InitialScale = *_selected->Scale;
}
// Initial click position
FVector clickPos = *_selected->Pos - _cursorOffset;
// Calculate difference
FVector diff = (cam + _ray * PickDistance) - clickPos;
// Lower scaling sensitivity
diff = diff * 0.01f;
switch (SelectedHandle) {
case GizmoHandle::X_Axis:
_selected->Scale->x = InitialScale.x + -diff.x;
break;
case GizmoHandle::Y_Axis:
_selected->Scale->y = InitialScale.y + diff.y;
break;
case GizmoHandle::Z_Axis:
_selected->Scale->z = InitialScale.z + -diff.z;
break;
case GizmoHandle::All_Axis:
_selected->Scale->x = InitialScale.x + -diff.x;
_selected->Scale->y = InitialScale.y + diff.y;
_selected->Scale->z = InitialScale.z + -diff.z;
break;
}
}
void Gizmo::Draw() {