rj-action-library/Runtime/Math/CubicBezier.cs

54 lines
1.1 KiB
C#

using System.Collections;
using System.Collections.Generic;
using Godot;
namespace Rokojori
{
public class CubicBezier
{
public static float Compute(
float t,
float p0, float p1, float p2, float p3
)
{
var bp0 = ( 1 - t ) * ( 1 - t ) * ( 1 - t );
var bp1 = 3 * ( 1 - t ) * ( 1 - t ) * t;
var bp2 = 3 * ( 1 - t ) * t * t;
var bp3 = t * t * t;
return p0 * bp0 + p1 * bp1 + p2 * bp2 + p3 * bp3;
}
public static Vector2 Compute(
float t,
Vector2 p0, Vector2 p1, Vector2 p2, Vector2 p3
)
{
var bp0 = ( 1 - t ) * ( 1 - t ) * ( 1 - t );
var bp1 = 3 * ( 1 - t ) * ( 1 - t ) * t;
var bp2 = 3 * ( 1 - t ) * t * t;
var bp3 = t * t * t;
return p0 * bp0 + p1 * bp1 + p2 * bp2 + p3 * bp3;
}
public static Vector3 Compute(
float t,
Vector3 p0, Vector3 p1, Vector3 p2, Vector3 p3
)
{
var bp0 = ( 1 - t ) * ( 1 - t ) * ( 1 - t );
var bp1 = 3 * ( 1 - t ) * ( 1 - t ) * t;
var bp2 = 3 * ( 1 - t ) * t * t;
var bp3 = t * t * t;
return p0 * bp0 + p1 * bp1 + p2 * bp2 + p3 * bp3;
}
}
}