diff options
Diffstat (limited to 'include/godot_cpp/core/Transform.cpp')
| -rw-r--r-- | include/godot_cpp/core/Transform.cpp | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/include/godot_cpp/core/Transform.cpp b/include/godot_cpp/core/Transform.cpp deleted file mode 100644 index b8a05df..0000000 --- a/include/godot_cpp/core/Transform.cpp +++ /dev/null @@ -1,319 +0,0 @@ -#include "Transform.hpp" - -#include "Basis.hpp" - -#include "Plane.hpp" -#include "Rect3.hpp" - -#include "Quat.hpp" - -namespace godot { - - - -Transform Transform::inverse_xform(const Transform& t) const { - - Vector3 v = t.origin - origin; - return Transform(basis.transpose_xform(t.basis), - basis.xform(v)); -} - -void Transform::set(real_t xx, real_t xy, real_t xz, real_t yx, real_t yy, real_t yz, real_t zx, real_t zy, real_t zz,real_t tx, real_t ty, real_t tz) { - - basis.elements[0][0]=xx; - basis.elements[0][1]=xy; - basis.elements[0][2]=xz; - basis.elements[1][0]=yx; - basis.elements[1][1]=yy; - basis.elements[1][2]=yz; - basis.elements[2][0]=zx; - basis.elements[2][1]=zy; - basis.elements[2][2]=zz; - origin.x=tx; - origin.y=ty; - origin.z=tz; -} - - - -Vector3 Transform::xform(const Vector3& p_vector) const { - - return Vector3( - basis[0].dot(p_vector)+origin.x, - basis[1].dot(p_vector)+origin.y, - basis[2].dot(p_vector)+origin.z - ); -} -Vector3 Transform::xform_inv(const Vector3& p_vector) const { - - Vector3 v = p_vector - origin; - - return Vector3( - (basis.elements[0][0]*v.x ) + ( basis.elements[1][0]*v.y ) + ( basis.elements[2][0]*v.z ), - (basis.elements[0][1]*v.x ) + ( basis.elements[1][1]*v.y ) + ( basis.elements[2][1]*v.z ), - (basis.elements[0][2]*v.x ) + ( basis.elements[1][2]*v.y ) + ( basis.elements[2][2]*v.z ) - ); -} - -Plane Transform::xform(const Plane& p_plane) const { - - - Vector3 point=p_plane.normal*p_plane.d; - Vector3 point_dir=point+p_plane.normal; - point=xform(point); - point_dir=xform(point_dir); - - Vector3 normal=point_dir-point; - normal.normalize(); - real_t d=normal.dot(point); - - return Plane(normal,d); - -} -Plane Transform::xform_inv(const Plane& p_plane) const { - - Vector3 point=p_plane.normal*p_plane.d; - Vector3 point_dir=point+p_plane.normal; - xform_inv(point); - xform_inv(point_dir); - - Vector3 normal=point_dir-point; - normal.normalize(); - real_t d=normal.dot(point); - - return Plane(normal,d); - -} - -Rect3 Transform::xform(const Rect3& p_aabb) const { - /* define vertices */ - Vector3 x=basis.get_axis(0)*p_aabb.size.x; - Vector3 y=basis.get_axis(1)*p_aabb.size.y; - Vector3 z=basis.get_axis(2)*p_aabb.size.z; - Vector3 pos = xform( p_aabb.pos ); -//could be even further optimized - Rect3 new_aabb; - new_aabb.pos=pos; - new_aabb.expand_to( pos+x ); - new_aabb.expand_to( pos+y ); - new_aabb.expand_to( pos+z ); - new_aabb.expand_to( pos+x+y ); - new_aabb.expand_to( pos+x+z ); - new_aabb.expand_to( pos+y+z ); - new_aabb.expand_to( pos+x+y+z ); - return new_aabb; - -} -Rect3 Transform::xform_inv(const Rect3& p_aabb) const { - - /* define vertices */ - Vector3 vertices[8]={ - Vector3(p_aabb.pos.x+p_aabb.size.x, p_aabb.pos.y+p_aabb.size.y, p_aabb.pos.z+p_aabb.size.z), - Vector3(p_aabb.pos.x+p_aabb.size.x, p_aabb.pos.y+p_aabb.size.y, p_aabb.pos.z), - Vector3(p_aabb.pos.x+p_aabb.size.x, p_aabb.pos.y, p_aabb.pos.z+p_aabb.size.z), - Vector3(p_aabb.pos.x+p_aabb.size.x, p_aabb.pos.y, p_aabb.pos.z), - Vector3(p_aabb.pos.x, p_aabb.pos.y+p_aabb.size.y, p_aabb.pos.z+p_aabb.size.z), - Vector3(p_aabb.pos.x, p_aabb.pos.y+p_aabb.size.y, p_aabb.pos.z), - Vector3(p_aabb.pos.x, p_aabb.pos.y, p_aabb.pos.z+p_aabb.size.z), - Vector3(p_aabb.pos.x, p_aabb.pos.y, p_aabb.pos.z) - }; - - - Rect3 ret; - - ret.pos=xform_inv(vertices[0]); - - for (int i=1;i<8;i++) { - - ret.expand_to( xform_inv(vertices[i]) ); - } - - return ret; - -} - -void Transform::affine_invert() { - - basis.invert(); - origin = basis.xform(-origin); -} - -Transform Transform::affine_inverse() const { - - Transform ret=*this; - ret.affine_invert(); - return ret; - -} - - -void Transform::invert() { - - basis.transpose(); - origin = basis.xform(-origin); -} - -Transform Transform::inverse() const { - // FIXME: this function assumes the basis is a rotation matrix, with no scaling. - // Transform::affine_inverse can handle matrices with scaling, so GDScript should eventually use that. - Transform ret=*this; - ret.invert(); - return ret; -} - - -void Transform::rotate(const Vector3& p_axis,real_t p_phi) { - - *this = rotated(p_axis, p_phi); -} - -Transform Transform::rotated(const Vector3& p_axis,real_t p_phi) const{ - - return Transform(Basis( p_axis, p_phi ), Vector3()) * (*this); -} - -void Transform::rotate_basis(const Vector3& p_axis,real_t p_phi) { - - basis.rotate(p_axis,p_phi); -} - -Transform Transform::looking_at( const Vector3& p_target, const Vector3& p_up ) const { - - Transform t = *this; - t.set_look_at(origin,p_target,p_up); - return t; -} - -void Transform::set_look_at( const Vector3& p_eye, const Vector3& p_target, const Vector3& p_up ) { - - // Reference: MESA source code - Vector3 v_x, v_y, v_z; - - /* Make rotation matrix */ - - /* Z vector */ - v_z = p_eye - p_target; - - v_z.normalize(); - - v_y = p_up; - - - v_x=v_y.cross(v_z); - - /* Recompute Y = Z cross X */ - v_y=v_z.cross(v_x); - - v_x.normalize(); - v_y.normalize(); - - basis.set_axis(0,v_x); - basis.set_axis(1,v_y); - basis.set_axis(2,v_z); - origin=p_eye; - -} - -Transform Transform::interpolate_with(const Transform& p_transform, real_t p_c) const { - - /* not sure if very "efficient" but good enough? */ - - Vector3 src_scale = basis.get_scale(); - Quat src_rot = basis; - Vector3 src_loc = origin; - - Vector3 dst_scale = p_transform.basis.get_scale(); - Quat dst_rot = p_transform.basis; - Vector3 dst_loc = p_transform.origin; - - Transform dst; - dst.basis=src_rot.slerp(dst_rot,p_c); - dst.basis.scale(src_scale.linear_interpolate(dst_scale,p_c)); - dst.origin=src_loc.linear_interpolate(dst_loc,p_c); - - return dst; -} - -void Transform::scale(const Vector3& p_scale) { - - basis.scale(p_scale); - origin*=p_scale; -} - -Transform Transform::scaled(const Vector3& p_scale) const { - - Transform t = *this; - t.scale(p_scale); - return t; -} - -void Transform::scale_basis(const Vector3& p_scale) { - - basis.scale(p_scale); -} - -void Transform::translate( real_t p_tx, real_t p_ty, real_t p_tz) { - translate( Vector3(p_tx,p_ty,p_tz) ); - -} -void Transform::translate( const Vector3& p_translation ) { - - for( int i = 0; i < 3; i++ ) { - origin[i] += basis[i].dot(p_translation); - } -} - -Transform Transform::translated( const Vector3& p_translation ) const { - - Transform t=*this; - t.translate(p_translation); - return t; -} - -void Transform::orthonormalize() { - - basis.orthonormalize(); -} - -Transform Transform::orthonormalized() const { - - Transform _copy = *this; - _copy.orthonormalize(); - return _copy; -} - -bool Transform::operator==(const Transform& p_transform) const { - - return (basis==p_transform.basis && origin==p_transform.origin); -} -bool Transform::operator!=(const Transform& p_transform) const { - - return (basis!=p_transform.basis || origin!=p_transform.origin); -} - -void Transform::operator*=(const Transform& p_transform) { - - origin=xform(p_transform.origin); - basis*=p_transform.basis; -} - -Transform Transform::operator*(const Transform& p_transform) const { - - Transform t=*this; - t*=p_transform; - return t; -} - -Transform::operator String() const { - - return basis.operator String() + " - " + origin.operator String(); -} - - -Transform::Transform(const Basis& p_basis, const Vector3& p_origin) { - - basis=p_basis; - origin=p_origin; -} - -} |