X-lanni
39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
/*
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* Copyright 2014 Google Inc. All Rights Reserved.
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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 "tango-gl/trace.h"
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namespace tango_gl {
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static const int kMaxTraceLength = 5000;
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static const float kDistanceCheck = 0.05f;
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Trace::Trace() : Line(3.0f, GL_LINE_STRIP) { SetShader(); }
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void Trace::UpdateVertexArray(const glm::vec3& v) {
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if (vec_vertices_.size() == 0) {
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vec_vertices_.push_back(v);
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} else {
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float dist = glm::distance(vec_vertices_[vec_vertices_.size() - 1], v);
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if (dist >= kDistanceCheck) {
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vec_vertices_.push_back(v);
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}
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}
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}
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void Trace::ClearVertexArray() { vec_vertices_.clear(); }
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} // namespace tango_gl
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