Files
rtabmap/app/android/jni/tango-gl/include/tango-gl/band.h
2016-02-15 19:35:24 -05:00

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1.7 KiB
C++

/*
* Copyright 2014 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef TANGO_GL_BAND_H_
#define TANGO_GL_BAND_H_
#include <stdlib.h>
#include <vector>
#include "tango-gl/drawable_object.h"
namespace tango_gl {
class Band : public DrawableObject {
public:
enum BandMode {
kNormal = 0,
kKeepLeft = 1,
kKeepRight = 2
};
Band(const unsigned int max_legnth);
void SetWidth(const float width);
// Render a Band with arrow head, pass in the mode for rendering,
// kKeepLeft is left turn, kKeepRight is right turn,
// when making a turn, vertices only get updated in one side to avoid overlapping.
void UpdateVertexArray(const glm::mat4 m, BandMode mode);
void UpdateVertexArray(const glm::mat4 m);
void SetVertexArray(const std::vector<glm::vec3>& v, const glm::vec3& up);
void ClearVertexArray();
void Render(const glm::mat4& projection_mat, const glm::mat4& view_mat) const;
private:
float band_width_;
unsigned int max_length_;
std::vector<glm::vec3> vertices_v_;
// Current band head's left and right position in world frame.
glm::vec3 pivot_left;
glm::vec3 pivot_right;
};
} // namespace tango_gl
#endif // TANGO_GL_BAND_H_