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74 lines
2.6 KiB
C++
74 lines
2.6 KiB
C++
/* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of NVIDIA CORPORATION nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __RENDER_PARTICLES__
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#define __RENDER_PARTICLES__
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class ParticleRenderer {
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public:
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ParticleRenderer();
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~ParticleRenderer();
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void setPositions(float *pos, int numParticles);
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void setVertexBuffer(unsigned int vbo, int numParticles);
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void setColorBuffer(unsigned int vbo) { m_colorVBO = vbo; }
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enum DisplayMode { PARTICLE_POINTS, PARTICLE_SPHERES, PARTICLE_NUM_MODES };
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void display(DisplayMode mode = PARTICLE_POINTS);
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void displayGrid();
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void setPointSize(float size) { m_pointSize = size; }
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void setParticleRadius(float r) { m_particleRadius = r; }
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void setFOV(float fov) { m_fov = fov; }
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void setWindowSize(int w, int h) {
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m_window_w = w;
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m_window_h = h;
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}
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protected: // methods
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void _initGL();
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void _drawPoints();
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GLuint _compileProgram(const char *vsource, const char *fsource);
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protected: // data
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float *m_pos;
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int m_numParticles;
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float m_pointSize;
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float m_particleRadius;
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float m_fov;
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int m_window_w, m_window_h;
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GLuint m_program;
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GLuint m_vbo;
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GLuint m_colorVBO;
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};
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#endif //__ RENDER_PARTICLES__
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