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Ajouts de musique et irrKlang.

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Marc-Eric Martel
2021-10-19 10:27:59 -04:00
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commit df3441dad6
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SQCSim2021/external/irrKlang-1.6.0/include/ik_vec3d.h vendored Normal file
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// Copyright (C) 2002-2018 Nikolaus Gebhardt
// This file is part of the "irrKlang" library.
// For conditions of distribution and use, see copyright notice in irrKlang.h
#ifndef __IRR_IRRKLANG_VEC_3D_H_INCLUDED__
#define __IRR_IRRKLANG_VEC_3D_H_INCLUDED__
#include <math.h>
#include "ik_irrKlangTypes.h"
namespace irrklang
{
//! a 3d vector template class for representing vectors and points in 3d
template <class T>
class vec3d
{
public:
vec3d(): X(0), Y(0), Z(0) {};
vec3d(T nx, T ny, T nz) : X(nx), Y(ny), Z(nz) {};
vec3d(const vec3d<T>& other) :X(other.X), Y(other.Y), Z(other.Z) {};
//! constructor creating an irrklang vec3d from an irrlicht vector.
#ifdef __IRR_POINT_3D_H_INCLUDED__
template<class B>
vec3d(const B& other) :X(other.X), Y(other.Y), Z(other.Z) {};
#endif // __IRR_POINT_3D_H_INCLUDED__
// operators
vec3d<T> operator-() const { return vec3d<T>(-X, -Y, -Z); }
vec3d<T>& operator=(const vec3d<T>& other) { X = other.X; Y = other.Y; Z = other.Z; return *this; }
vec3d<T> operator+(const vec3d<T>& other) const { return vec3d<T>(X + other.X, Y + other.Y, Z + other.Z); }
vec3d<T>& operator+=(const vec3d<T>& other) { X+=other.X; Y+=other.Y; Z+=other.Z; return *this; }
vec3d<T> operator-(const vec3d<T>& other) const { return vec3d<T>(X - other.X, Y - other.Y, Z - other.Z); }
vec3d<T>& operator-=(const vec3d<T>& other) { X-=other.X; Y-=other.Y; Z-=other.Z; return *this; }
vec3d<T> operator*(const vec3d<T>& other) const { return vec3d<T>(X * other.X, Y * other.Y, Z * other.Z); }
vec3d<T>& operator*=(const vec3d<T>& other) { X*=other.X; Y*=other.Y; Z*=other.Z; return *this; }
vec3d<T> operator*(const T v) const { return vec3d<T>(X * v, Y * v, Z * v); }
vec3d<T>& operator*=(const T v) { X*=v; Y*=v; Z*=v; return *this; }
vec3d<T> operator/(const vec3d<T>& other) const { return vec3d<T>(X / other.X, Y / other.Y, Z / other.Z); }
vec3d<T>& operator/=(const vec3d<T>& other) { X/=other.X; Y/=other.Y; Z/=other.Z; return *this; }
vec3d<T> operator/(const T v) const { T i=(T)1.0/v; return vec3d<T>(X * i, Y * i, Z * i); }
vec3d<T>& operator/=(const T v) { T i=(T)1.0/v; X*=i; Y*=i; Z*=i; return *this; }
bool operator<=(const vec3d<T>&other) const { return X<=other.X && Y<=other.Y && Z<=other.Z;};
bool operator>=(const vec3d<T>&other) const { return X>=other.X && Y>=other.Y && Z>=other.Z;};
bool operator==(const vec3d<T>& other) const { return other.X==X && other.Y==Y && other.Z==Z; }
bool operator!=(const vec3d<T>& other) const { return other.X!=X || other.Y!=Y || other.Z!=Z; }
// functions
//! returns if this vector equalsfloat the other one, taking floating point rounding errors into account
bool equals(const vec3d<T>& other)
{
return equalsfloat(X, other.X) &&
equalsfloat(Y, other.Y) &&
equalsfloat(Z, other.Z);
}
void set(const T nx, const T ny, const T nz) {X=nx; Y=ny; Z=nz; }
void set(const vec3d<T>& p) { X=p.X; Y=p.Y; Z=p.Z;}
//! Returns length of the vector.
ik_f64 getLength() const { return sqrt(X*X + Y*Y + Z*Z); }
//! Returns squared length of the vector.
/** This is useful because it is much faster then
getLength(). */
ik_f64 getLengthSQ() const { return X*X + Y*Y + Z*Z; }
//! Returns the dot product with another vector.
T dotProduct(const vec3d<T>& other) const
{
return X*other.X + Y*other.Y + Z*other.Z;
}
//! Returns distance from an other point.
/** Here, the vector is interpreted as point in 3 dimensional space. */
ik_f64 getDistanceFrom(const vec3d<T>& other) const
{
ik_f64 vx = X - other.X; ik_f64 vy = Y - other.Y; ik_f64 vz = Z - other.Z;
return sqrt(vx*vx + vy*vy + vz*vz);
}
//! Returns squared distance from an other point.
/** Here, the vector is interpreted as point in 3 dimensional space. */
ik_f32 getDistanceFromSQ(const vec3d<T>& other) const
{
ik_f32 vx = X - other.X; ik_f32 vy = Y - other.Y; ik_f32 vz = Z - other.Z;
return (vx*vx + vy*vy + vz*vz);
}
//! Calculates the cross product with another vector
vec3d<T> crossProduct(const vec3d<T>& p) const
{
return vec3d<T>(Y * p.Z - Z * p.Y, Z * p.X - X * p.Z, X * p.Y - Y * p.X);
}
//! Returns if this vector interpreted as a point is on a line between two other points.
/** It is assumed that the point is on the line. */
bool isBetweenPoints(const vec3d<T>& begin, const vec3d<T>& end) const
{
ik_f32 f = (ik_f32)(end - begin).getLengthSQ();
return (ik_f32)getDistanceFromSQ(begin) < f &&
(ik_f32)getDistanceFromSQ(end) < f;
}
//! Normalizes the vector.
vec3d<T>& normalize()
{
T l = (T)getLength();
if (l == 0)
return *this;
l = (T)1.0 / l;
X *= l;
Y *= l;
Z *= l;
return *this;
}
//! Sets the lenght of the vector to a new value
void setLength(T newlength)
{
normalize();
*this *= newlength;
}
//! Inverts the vector.
void invert()
{
X *= -1.0f;
Y *= -1.0f;
Z *= -1.0f;
}
//! Rotates the vector by a specified number of degrees around the Y
//! axis and the specified center.
//! \param degrees: Number of degrees to rotate around the Y axis.
//! \param center: The center of the rotation.
void rotateXZBy(ik_f64 degrees, const vec3d<T>& center)
{
degrees *= IK_DEGTORAD64;
T cs = (T)cos(degrees);
T sn = (T)sin(degrees);
X -= center.X;
Z -= center.Z;
set(X*cs - Z*sn, Y, X*sn + Z*cs);
X += center.X;
Z += center.Z;
}
//! Rotates the vector by a specified number of degrees around the Z
//! axis and the specified center.
//! \param degrees: Number of degrees to rotate around the Z axis.
//! \param center: The center of the rotation.
void rotateXYBy(ik_f64 degrees, const vec3d<T>& center)
{
degrees *= IK_DEGTORAD64;
T cs = (T)cos(degrees);
T sn = (T)sin(degrees);
X -= center.X;
Y -= center.Y;
set(X*cs - Y*sn, X*sn + Y*cs, Z);
X += center.X;
Y += center.Y;
}
//! Rotates the vector by a specified number of degrees around the X
//! axis and the specified center.
//! \param degrees: Number of degrees to rotate around the X axis.
//! \param center: The center of the rotation.
void rotateYZBy(ik_f64 degrees, const vec3d<T>& center)
{
degrees *= IK_DEGTORAD64;
T cs = (T)cos(degrees);
T sn = (T)sin(degrees);
Z -= center.Z;
Y -= center.Y;
set(X, Y*cs - Z*sn, Y*sn + Z*cs);
Z += center.Z;
Y += center.Y;
}
//! Returns interpolated vector.
/** \param other: other vector to interpolate between
\param d: value between 0.0f and 1.0f. */
vec3d<T> getInterpolated(const vec3d<T>& other, ik_f32 d) const
{
ik_f32 inv = 1.0f - d;
return vec3d<T>(other.X*inv + X*d,
other.Y*inv + Y*d,
other.Z*inv + Z*d);
}
//! Gets the Y and Z rotations of a vector.
/** Thanks to Arras on the Irrlicht forums to add this method.
\return A vector representing the rotation in degrees of
this vector. The Z component of the vector will always be 0. */
vec3d<T> getHorizontalAngle()
{
vec3d<T> angle;
angle.Y = (T)atan2(X, Z);
angle.Y *= (ik_f32)IK_RADTODEG;
if (angle.Y < 0.0f) angle.Y += 360.0f;
if (angle.Y >= 360.0f) angle.Y -= 360.0f;
ik_f32 z1 = (T)sqrt(X*X + Z*Z);
angle.X = (T)atan2(z1, Y);
angle.X *= (ik_f32)IK_RADTODEG;
angle.X -= 90.0f;
if (angle.X < 0.0f) angle.X += 360.0f;
if (angle.X >= 360) angle.X -= 360.0f;
return angle;
}
//! Fills an array of 4 values with the vector data (usually floats).
/** Useful for setting in shader constants for example. The fourth value
will always be 0. */
void getAs4Values(T* array)
{
array[0] = X;
array[1] = Y;
array[2] = Z;
array[3] = 0;
}
// member variables
T X, Y, Z;
};
//! Typedef for a ik_f32 3d vector, a vector using floats for X, Y and Z
typedef vec3d<ik_f32> vec3df;
//! Typedef for an integer 3d vector, a vector using ints for X, Y and Z
typedef vec3d<ik_s32> vec3di;
template<class S, class T> vec3d<T> operator*(const S scalar, const vec3d<T>& vector) { return vector*scalar; }
} // end namespace irrklang
#endif