public Fixed2 Rotate(Fixed value)
{
Fixed tx, ty;
tx = MathFixed.CosAngle(value) * x - y * MathFixed.SinAngle(value);
ty = MathFixed.CosAngle(value) * y + x * MathFixed.SinAngle(value);
return(new Fixed2(tx, ty));
}
public Fixed2 Rotate(Fixed value)
{
Fixed tx, ty;
tx = MathFixed.CosAngle(value) * x - y * MathFixed.SinAngle(value);
ty = MathFixed.CosAngle(value) * y + x * MathFixed.SinAngle(value);
// Debug.Log("f:" + f + "sin90" + Mathf.Sin(90) + "cos90" + (Math.Cos(90)));
//1,0 tx=1*0-0 ty
return(new Fixed2(tx, ty));
}
public FixedNumber ToRotation()
{
if (x == 0 && y == 0)
{
return(new FixedNumber());
}
FixedNumber sin = this.normalized.y;
if (this.x >= 0)
{
return(MathFixed.Asin(sin) / MathFixed.PI * 180);
}
else
{
return(MathFixed.Asin(-sin) / MathFixed.PI * 180 + 180);
}
}
public Fixed ToRotation()
{
if (x == 0 && y == 0)
{
return(new Fixed());
}
Fixed sin = this.normalized.y;
Fixed result = Fixed.Zero;
if (this.x >= 0)
{
result = MathFixed.Asin(sin) / MathFixed.PI * 180;
}
else
{
result = MathFixed.Asin(-sin) / MathFixed.PI * 180 + 180;
}
// if(result==0){
// Debug.LogError("this.normalized "+this.normalized+" MathFixed.Asin(sin) "+MathFixed.Asin(sin));
// }
return(result);
}
public static Fixed GetAsinTab(Fixed sin)
{
MathFixed math = Instance;
//UnityEngine.Debug.Log("GetAsinTab");
for (int i = _m_SinTab.Count - 1; i >= 0; i--)
{
if (sin > _m_SinTab[i])
{
if (i == _m_SinTab.Count - 1)
{
return(new Fixed(i) / (tabCount / 4) * (PI / 2));
}
else
{
//return new Ratio(i);
return(Fixed.Lerp(new Fixed(i), new Fixed(i + 1), (sin - _m_SinTab[i]) / (_m_SinTab[i + 1] - _m_SinTab[i])) / (tabCount / 4) * (PI / 2));
}
}
}
return(new Fixed());
}
public static Fixed Sin(Fixed r)
{
MathFixed math = Instance;
//int tabCount = SinTab.Count*4;
Fixed result = new Fixed();
r = (r * tabCount / 2 / PI);
//int n = r.ToInt();
while (r < 0)
{
r += tabCount;
}
while (r > tabCount)
{
r -= tabCount;
}
if (r >= 0 && r <= tabCount / 4) // 0 ~ PI/2
{
result = GetSinTab(r);
}
else if (r > tabCount / 4 && r < tabCount / 2) // PI/2 ~ PI
{
r -= new Fixed(tabCount / 4);
result = GetSinTab(new Fixed(tabCount / 4) - r);
}
else if (r >= tabCount / 2 && r < 3 * tabCount / 4) // PI ~ 3/4*PI
{
r -= new Fixed(tabCount / 2);
result = -GetSinTab(r);
}
else if (r >= 3 * tabCount / 4 && r < tabCount) // 3/4*PI ~ 2*PI
{
r = new Fixed(tabCount) - r;
result = -GetSinTab(r);
}
return(result);
}
public static Fixed2 Parse(Fixed ratio)
{
return(new Fixed2(MathFixed.CosAngle(ratio), MathFixed.SinAngle(ratio)));
}