20a4cdfd70
This node provides the ability to rotate a vector around a `center` point using either `Axis Angle` , `Single Axis` or `Euler` methods. Reviewed By: #cycles, brecht Differential Revision: https://developer.blender.org/D3789
71 lines
2.7 KiB
Plaintext
71 lines
2.7 KiB
Plaintext
/*
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* Copyright 2011-2020 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "stdcycles.h"
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#include "node_math.h"
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shader node_vector_rotate(string type = "axis",
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vector VectorIn = vector(0.0, 0.0, 0.0),
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point Center = point(0.0, 0.0, 0.0),
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point Rotation = point(0.0, 0.0, 0.0),
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vector Axis = vector(0.0, 0.0, 1.0),
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float Angle = 0.0,
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output vector VectorOut = vector(0.0, 0.0, 0.0))
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{
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if (type == "euler_xyz") {
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VectorOut = transform(euler_to_mat(Rotation), VectorIn - Center) + Center;
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}
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else if (type == "euler_xzy") {
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VectorOut = transform(euler_to_mat(point(-Rotation[0], -Rotation[2], -Rotation[1])),
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VectorIn - Center) +
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Center;
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}
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else if (type == "euler_yxz") {
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VectorOut = transform(euler_to_mat(point(-Rotation[1], -Rotation[0], -Rotation[2])),
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VectorIn - Center) +
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Center;
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}
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else if (type == "euler_yzx") {
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VectorOut = transform(euler_to_mat(point(Rotation[1], Rotation[2], Rotation[0])),
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VectorIn - Center) +
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Center;
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}
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else if (type == "euler_zxy") {
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VectorOut = transform(euler_to_mat(point(Rotation[2], Rotation[0], Rotation[1])),
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VectorIn - Center) +
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Center;
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}
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else if (type == "euler_zyx") {
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VectorOut = transform(euler_to_mat(point(-Rotation[2], -Rotation[1], -Rotation[0])),
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VectorIn - Center) +
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Center;
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}
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else if (type == "x_axis") {
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VectorOut = rotate(VectorIn - Center, Angle, point(0.0), vector(1.0, 0.0, 0.0)) + Center;
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}
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else if (type == "y_axis") {
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VectorOut = rotate(VectorIn - Center, Angle, point(0.0), vector(0.0, 1.0, 0.0)) + Center;
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}
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else if (type == "z_axis") {
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VectorOut = rotate(VectorIn - Center, Angle, point(0.0), vector(0.0, 0.0, 1.0)) + Center;
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}
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else { // axis
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VectorOut = (length(Axis) != 0.0) ?
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rotate(VectorIn - Center, Angle, point(0.0), Axis) + Center :
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VectorIn;
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}
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}
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