57 lines
1.7 KiB
C#
57 lines
1.7 KiB
C#
using ColdMint.scripts.debug;
|
|
using Godot;
|
|
|
|
namespace ColdMint.scripts.utils;
|
|
|
|
/// <summary>
|
|
/// <para>ParabolicUtils</para>
|
|
/// <para>抛物线工具</para>
|
|
/// </summary>
|
|
public class ParabolicUtils
|
|
{
|
|
/// <summary>
|
|
/// <para>Calculated parabola</para>
|
|
/// <para>计算抛物线</para>
|
|
/// </summary>
|
|
/// <param name="origin">
|
|
///<para>Origin of coordinates</para>
|
|
///<para>坐标的原点</para>
|
|
/// </param>
|
|
/// <param name="velocityVector">
|
|
///<para>speed</para>
|
|
///<para>速度</para>
|
|
/// <para>Represents the distance traveled per second</para>
|
|
/// <para>表示每秒移动的距离</para>
|
|
/// </param>
|
|
/// <param name="gravity">
|
|
///<para>gravity</para>
|
|
///<para>重力</para>
|
|
/// </param>
|
|
/// <param name="steps">
|
|
///<para>Sampling step size</para>
|
|
///<para>采样步长</para>
|
|
/// <para>How many seconds to take a point</para>
|
|
/// <para>多少秒取一次点</para>
|
|
/// </param>
|
|
/// <returns></returns>
|
|
public static Vector2[] ComputeParabolic(Vector2 origin, Vector2 velocityVector, float gravity, float steps)
|
|
{
|
|
// 计算采样点数量
|
|
var numSteps = Mathf.CeilToInt(1f / steps);
|
|
// 初始化结果数组
|
|
var points = new Vector2[numSteps];
|
|
// 计算每个采样点的位置
|
|
for (int i = 0; i < numSteps; i++)
|
|
{
|
|
// 计算当前时间
|
|
var t = i * steps;
|
|
// 计算当前位置
|
|
var x = origin.X + velocityVector.X * t;
|
|
var y = origin.Y + velocityVector.Y * t + 0.5f * gravity * t * t;
|
|
// 将位置添加到结果数组中
|
|
points[i] = new Vector2(x, y);
|
|
}
|
|
|
|
return points;
|
|
}
|
|
} |