public float3x3(float4 x, float4 y, float4 z)
{
m00 = x.x;
m01 = x.y;
m02 = x.z;
m10 = y.x;
m11 = y.y;
m12 = y.z;
m20 = z.x;
m21 = z.y;
m22 = z.z;
}
public float4 Min(float4 v)
{
float4 ret = new float4();
ret.x = x < v.x ? x : v.x;
ret.y = y < v.y ? y : v.y;
ret.z = z < v.z ? z : v.z;
ret.w = w < v.w ? w : v.w;
return ret;
}
public float4x4(float4 x, float4 y, float4 z, float4 p)
{
m = new float[4,4];
m[0,0] = x.x;
m[0,1] = x.y;
m[0,2] = x.z;
m[0,3] = x.w;
m[1,0] = y.x;
m[1,1] = y.y;
m[1,2] = y.z;
m[1,3] = y.w;
m[2,0] = z.x;
m[2,1] = z.y;
m[2,2] = z.z;
m[2,3] = z.w;
m[3,0] = p.x;
m[3,1] = p.y;
m[3,2] = p.z;
m[3,3] = p.w;
}
public float4 Lerp(float4 v, float alpha)
{
return v * alpha + this * (1.0f - alpha);
}
public float4 Max(float4 v)
{
float4 ret = new float4();
ret.x = x > v.x ? x : v.x;
ret.y = y > v.y ? y : v.y;
ret.z = z > v.z ? z : v.z;
ret.w = w > v.w ? w : v.w;
return ret;
}
// math functions
public float Dot(float4 v)
{
return (x * v.x) + (y * v.y) + (z * v.z) + (w * v.w);
}
public float4 Clamp(float4 min, float4 max)
{
return this.Max(min).Min(max);
}
public static float4 Lerp(float4 a, float4 b, float alpha)
{
return (a * (1.0f - alpha)) + (b * alpha);
}
public static float dot(float4 a, float4 b)
{
return a.Dot(b);
}
public float4(float4 v)
{
x = v.x;
y = v.y;
z = v.z;
w = v.w;
}