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Fix gimbal-lock with keyboard rotations

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This commit is contained in:
stujones11 2018-05-27 17:52:23 +01:00
parent 608bbcc546
commit 77c31ce84a
2 changed files with 9 additions and 7 deletions
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14
src/scene.cpp
View File

@ -218,22 +218,24 @@ void Scene::setDebugInfo(const bool &is_visible)
}
}
void Scene::rotate(s32 axis, const s32 &step)
void Scene::rotate(s32 axis, const f32 &step)
{
vector3df rot = getRotation();
matrix4 m, n;
m.setRotationDegrees(getRotation());
switch (axis)
{
case E_SCENE_AXIS_X:
rot.X = int(rot.X / step) * step + step;
n.setRotationDegrees(vector3df(step,0,0));
break;
case E_SCENE_AXIS_Y:
rot.Y = int(rot.Y / step) * step + step;
n.setRotationDegrees(vector3df(0,step,0));
break;
case E_SCENE_AXIS_Z:
rot.Z = int(rot.Z / step) * step + step;
n.setRotationDegrees(vector3df(0,0,step));
break;
}
setRotation(rot);
m *= n;
setRotation(m.getRotationDegrees());
}
void Scene::refresh()

2
src/scene.h
View File

@ -40,7 +40,7 @@ public:
void setGridVisible(const bool &is_visible) { show_grid = is_visible; }
void setAxesVisible(const bool &is_visible) { show_axes = is_visible; }
void setDebugInfo(const bool &is_visible);
void rotate(s32 axis, const s32 &step);
void rotate(s32 axis, const f32 &step);
void refresh();
void jump();