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| author | MatejaMaric <matejamaricz@gmail.com> | 2019-07-10 17:08:11 +0200 | 
|---|---|---|
| committer | MatejaMaric <matejamaricz@gmail.com> | 2019-07-10 17:08:11 +0200 | 
| commit | bc61a1623b390c8d3816d899bf53c84d7ea977fd (patch) | |
| tree | b2cf129c08582ee4df0c83a2f5a97238cf4d8fe1 | |
| parent | 50cc0da2add9d85ad1e9d854dabd2e0fd863d881 (diff) | |
| download | erender-bc61a1623b390c8d3816d899bf53c84d7ea977fd.tar.gz erender-bc61a1623b390c8d3816d899bf53c84d7ea977fd.zip | |
Anotherv0.1
| -rw-r--r-- | source/Matrix4f.cpp | 132 | 
1 files changed, 66 insertions, 66 deletions
| diff --git a/source/Matrix4f.cpp b/source/Matrix4f.cpp index c26f066..2cf2d9a 100644 --- a/source/Matrix4f.cpp +++ b/source/Matrix4f.cpp @@ -4,101 +4,101 @@  Matrix4f::Matrix4f()
  {
 -	m[0][0] = 1;	m[0][1] = 0;	m[0][2] = 0;	m[0][3] = 0;
 -	m[1][0] = 0;	m[1][1] = 1;	m[1][2] = 0;	m[1][3] = 0;
 -	m[2][0] = 0;	m[2][1] = 0;	m[2][2] = 1;	m[2][3] = 0;
 -	m[3][0] = 0;	m[3][1] = 0;	m[3][2] = 0;	m[3][3] = 1;
 +  m[0][0] = 1;  m[0][1] = 0;  m[0][2] = 0;  m[0][3] = 0;
 +  m[1][0] = 0;  m[1][1] = 1;  m[1][2] = 0;  m[1][3] = 0;
 +  m[2][0] = 0;  m[2][1] = 0;  m[2][2] = 1;  m[2][3] = 0;
 +  m[3][0] = 0;  m[3][1] = 0;  m[3][2] = 0;  m[3][3] = 1;
  }
  Matrix4f Matrix4f::multiply(Matrix4f& a)
  {
 -	Matrix4f b = identity();
 -	for (int i = 0; i < 4; i++)
 -	{
 -		for (int j = 0; j < 4; j++)
 -		{
 -			b.m[i][j] = ((m[i][0] * a.m[0][j]) + (m[i][1] * a.m[1][j]) + (m[i][2] * a.m[2][j]) + (m[i][3] * a.m[3][j]));
 -		}
 -	}
 -	return b;
 +  Matrix4f b = identity();
 +  for (int i = 0; i < 4; i++)
 +  {
 +    for (int j = 0; j < 4; j++)
 +    {
 +      b.m[i][j] = ((m[i][0] * a.m[0][j]) + (m[i][1] * a.m[1][j]) + (m[i][2] * a.m[2][j]) + (m[i][3] * a.m[3][j]));
 +    }
 +  }
 +  return b;
  }
  Matrix4f Matrix4f::operator*(Matrix4f& a)
  {
 -	Matrix4f b = identity();
 -	for (int i = 0; i < 4; i++)
 -	{
 -		for (int j = 0; j < 4; j++)
 -		{
 -			b.m[i][j] = ((m[i][0] * a.m[0][j]) + (m[i][1] * a.m[1][j]) + (m[i][2] * a.m[2][j]) + (m[i][3] * a.m[3][j]));
 -		}
 -	}
 -	return b;
 +  Matrix4f b = identity();
 +  for (int i = 0; i < 4; i++)
 +  {
 +    for (int j = 0; j < 4; j++)
 +    {
 +      b.m[i][j] = ((m[i][0] * a.m[0][j]) + (m[i][1] * a.m[1][j]) + (m[i][2] * a.m[2][j]) + (m[i][3] * a.m[3][j]));
 +    }
 +  }
 +  return b;
  }
  Matrix4f Matrix4f::identity()
  {
 -	return Matrix4f();
 +  return Matrix4f();
  }
  Matrix4f Matrix4f::move(float kx, float ky, float kz)
  {
 -	Matrix4f b;
 -	b.m[0][0] = 1;	b.m[0][1] = 0;	b.m[0][2] = 0;	b.m[0][3] = kx;
 -	b.m[1][0] = 0;	b.m[1][1] = 1;	b.m[1][2] = 0;	b.m[1][3] = ky;
 -	b.m[2][0] = 0;	b.m[2][1] = 0;	b.m[2][2] = 1;	b.m[2][3] = kz;
 -	b.m[3][0] = 0;	b.m[3][1] = 0;	b.m[3][2] = 0;	b.m[3][3] = 1;
 -	return b;
 +  Matrix4f b;
 +  b.m[0][0] = 1;  b.m[0][1] = 0;  b.m[0][2] = 0;  b.m[0][3] = kx;
 +  b.m[1][0] = 0;  b.m[1][1] = 1;  b.m[1][2] = 0;  b.m[1][3] = ky;
 +  b.m[2][0] = 0;  b.m[2][1] = 0;  b.m[2][2] = 1;  b.m[2][3] = kz;
 +  b.m[3][0] = 0;  b.m[3][1] = 0;  b.m[3][2] = 0;  b.m[3][3] = 1;
 +  return b;
  }
  Matrix4f Matrix4f::rotate(float xs, float ys, float zs)
  {
 -	double hlp = 3.14159265 / 180.0;
 -	xs *= hlp;
 -	ys *= hlp;
 -	zs *= hlp;
 -	Matrix4f b;
 -	b.m[0][0] = 1;	b.m[0][1] = 0;		  	b.m[0][2] = 0;			  b.m[0][3] = 0;
 -	b.m[1][0] = 0;	b.m[1][1] = cos(xs);	b.m[1][2] = -sin(xs);	b.m[1][3] = 0;
 -	b.m[2][0] = 0;	b.m[2][1] = sin(xs);	b.m[2][2] = cos(xs);	b.m[2][3] = 0;
 -	b.m[3][0] = 0;	b.m[3][1] = 0;			  b.m[3][2] = 0;			  b.m[3][3] = 1;
 +  double hlp = 3.14159265 / 180.0;
 +  xs *= hlp;
 +  ys *= hlp;
 +  zs *= hlp;
 +  Matrix4f b;
 +  b.m[0][0] = 1;  b.m[0][1] = 0;        b.m[0][2] = 0;        b.m[0][3] = 0;
 +  b.m[1][0] = 0;  b.m[1][1] = cos(xs);  b.m[1][2] = -sin(xs); b.m[1][3] = 0;
 +  b.m[2][0] = 0;  b.m[2][1] = sin(xs);  b.m[2][2] = cos(xs);  b.m[2][3] = 0;
 +  b.m[3][0] = 0;  b.m[3][1] = 0;        b.m[3][2] = 0;        b.m[3][3] = 1;
 -	Matrix4f c;
 -	c.m[0][0] = cos(ys);	c.m[0][1] = 0;	c.m[0][2] = sin(ys);	c.m[0][3] = 0;
 -	c.m[1][0] = 0;			  c.m[1][1] = 1;	c.m[1][2] = 0;			  c.m[1][3] = 0;
 -	c.m[2][0] = -sin(ys);	c.m[2][1] = 0;	c.m[2][2] = cos(ys);	c.m[2][3] = 0;
 -	c.m[3][0] = 0;			  c.m[3][1] = 0;	c.m[3][2] = 0;			  c.m[3][3] = 1;
 +  Matrix4f c;
 +  c.m[0][0] = cos(ys);  c.m[0][1] = 0;  c.m[0][2] = sin(ys);  c.m[0][3] = 0;
 +  c.m[1][0] = 0;        c.m[1][1] = 1;  c.m[1][2] = 0;        c.m[1][3] = 0;
 +  c.m[2][0] = -sin(ys); c.m[2][1] = 0;  c.m[2][2] = cos(ys);  c.m[2][3] = 0;
 +  c.m[3][0] = 0;        c.m[3][1] = 0;  c.m[3][2] = 0;        c.m[3][3] = 1;
 -	Matrix4f d;
 -	d.m[0][0] = cos(zs);	d.m[0][1] = -sin(zs);	d.m[0][2] = 0;	d.m[0][3] = 0;
 -	d.m[1][0] = sin(zs);	d.m[1][1] = cos(zs);	d.m[1][2] = 0;	d.m[1][3] = 0;
 -	d.m[2][0] = 0;			  d.m[2][1] = 0;			  d.m[2][2] = 1;	d.m[2][3] = 0;
 -	d.m[3][0] = 0;			  d.m[3][1] = 0;			  d.m[3][2] = 0;	d.m[3][3] = 1;
 +  Matrix4f d;
 +  d.m[0][0] = cos(zs);  d.m[0][1] = -sin(zs); d.m[0][2] = 0;  d.m[0][3] = 0;
 +  d.m[1][0] = sin(zs);  d.m[1][1] = cos(zs);  d.m[1][2] = 0;  d.m[1][3] = 0;
 +  d.m[2][0] = 0;        d.m[2][1] = 0;        d.m[2][2] = 1;  d.m[2][3] = 0;
 +  d.m[3][0] = 0;        d.m[3][1] = 0;        d.m[3][2] = 0;  d.m[3][3] = 1;
 -	return d * c * b;
 +  return d * c * b;
  }
  Matrix4f Matrix4f::scale(float px, float py, float pz)
  {
 -	Matrix4f b;
 -	b.m[0][0] = px;	b.m[0][1] = 0;	b.m[0][2] = 0;	b.m[0][3] = 0;
 -	b.m[1][0] = 0;	b.m[1][1] = py;	b.m[1][2] = 0;	b.m[1][3] = 0;
 -	b.m[2][0] = 0;	b.m[2][1] = 0;	b.m[2][2] = pz;	b.m[2][3] = 0;
 -	b.m[3][0] = 0;	b.m[3][1] = 0;	b.m[3][2] = 0;	b.m[3][3] = 1;
 -	return b;
 +  Matrix4f b;
 +  b.m[0][0] = px; b.m[0][1] = 0;  b.m[0][2] = 0;  b.m[0][3] = 0;
 +  b.m[1][0] = 0;  b.m[1][1] = py; b.m[1][2] = 0;  b.m[1][3] = 0;
 +  b.m[2][0] = 0;  b.m[2][1] = 0;  b.m[2][2] = pz; b.m[2][3] = 0;
 +  b.m[3][0] = 0;  b.m[3][1] = 0;  b.m[3][2] = 0;  b.m[3][3] = 1;
 +  return b;
  }
  Matrix4f Matrix4f::perspective(float n, float f, float fov, float aspectRatio)
  {
 -	float l, r, t, b;
 -	t = n * tan((fov / 2.0f) * (3.14159265 / 180.0));
 -	b = -t;
 -	r = aspectRatio * t;
 -	l = -r;
 -	Matrix4f a;
 -	a.m[0][0] = ((2.0f * n) / (r - l));	a.m[0][1] = 0;						          a.m[0][2] = - ((r + l) / (r - l));	a.m[0][3] = 0;
 -	a.m[1][0] = 0;						          a.m[1][1] = ((2.0f * n) / (t - b));	a.m[1][2] = - ((t + b) / (t - b));	a.m[1][3] = 0;
 -	a.m[2][0] = 0;						          a.m[2][1] = 0;						          a.m[2][2] = - (f / (n - f));		    a.m[2][3] = ((n * f) / (n - f));
 -	a.m[3][0] = 0;						          a.m[3][1] = 0;						          a.m[3][2] = 1;						          a.m[3][3] = 0;
 -	return a;
 +  float l, r, t, b;
 +  t = n * tan((fov / 2.0f) * (3.14159265 / 180.0));
 +  b = -t;
 +  r = aspectRatio * t;
 +  l = -r;
 +  Matrix4f a;
 +  a.m[0][0] = ((2.0f * n) / (r - l)); a.m[0][1] = 0;                      a.m[0][2] = - ((r + l) / (r - l));  a.m[0][3] = 0;
 +  a.m[1][0] = 0;                      a.m[1][1] = ((2.0f * n) / (t - b)); a.m[1][2] = - ((t + b) / (t - b));  a.m[1][3] = 0;
 +  a.m[2][0] = 0;                      a.m[2][1] = 0;                      a.m[2][2] = - (f / (n - f));        a.m[2][3] = ((n * f) / (n - f));
 +  a.m[3][0] = 0;                      a.m[3][1] = 0;                      a.m[3][2] = 1;                      a.m[3][3] = 0;
 +  return a;
  }
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