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55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
//
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// Util.h
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// interface
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//
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// Created by Philip Rosedale on 8/24/12.
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// Copyright (c) 2012 High Fidelity, Inc. All rights reserved.
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//
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#ifndef __interface__Util__
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#define __interface__Util__
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#ifdef _WIN32
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#include "Systime.h"
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#else
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#include <sys/time.h>
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#endif
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#include <glm/glm.hpp>
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// added by Ventrella for utility purposes
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static const double ZERO = 0.0;
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static const double ONE = 1.0;
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static const double ONE_HALF = 0.5;
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static const double ONE_THIRD = 0.3333333;
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static const double PIE = 3.14159265359;
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static const double PI_TIMES_TWO = 3.14159265359 * 2.0;
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static const double PI_OVER_180 = 3.14159265359 / 180.0;
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static const double EPSILON = 0.00001; //smallish number - used as margin of error for some values
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static const double SQUARE_ROOT_OF_2 = sqrt(2);
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static const double SQUARE_ROOT_OF_3 = sqrt(3);
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static const double METER = 1.0;
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static const double DECIMETER = 0.1;
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static const double CENTIMETER = 0.01;
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static const double MILLIIMETER = 0.001;
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float azimuth_to(glm::vec3 head_pos, glm::vec3 source_pos);
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float angle_to(glm::vec3 head_pos, glm::vec3 source_pos, float render_yaw, float head_yaw);
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float randFloat();
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void render_world_box();
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void render_vector(glm::vec3 * vec);
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void drawtext(int x, int y, float scale, float rotate, float thick, int mono,
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char const* string, float r=1.0, float g=1.0, float b=1.0);
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void drawvec3(int x, int y, float scale, float rotate, float thick, int mono, glm::vec3 vec,
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float r=1.0, float g=1.0, float b=1.0);
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double diffclock(timeval *clock1,timeval *clock2);
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glm::vec3 operator* (float lhs, const glm::vec3& rhs);
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glm::vec3 operator* (const glm::vec3& lhs, float rhs);
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#endif
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