50 lines
No EOL
1.6 KiB
C#
50 lines
No EOL
1.6 KiB
C#
using System;
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using Unity.Mathematics;
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using UnityEngine;
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using static Unity.Mathematics.math;
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using Random = UnityEngine.Random;
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public class GridObject : MonoBehaviour
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{
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public float RotationSpeed;
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public float GridOffset;
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public float GridAttraction;
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public float Gravity;
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public float Drag = .1f;
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public float LaunchDrag;
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private float2 _selfVelocity;
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private float _timeOffset;
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public Zone Zone { get; set; }
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public Vector3 Velocity { get; set; }
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private void Start()
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{
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_timeOffset = Random.value * 100;
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}
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void Update()
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{
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var t = transform;
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t.localRotation = Quaternion.Euler(sin(Time.time - _timeOffset * RotationSpeed) * 90, 0, cos(Time.time - _timeOffset * RotationSpeed) * 90);
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if (Zone == null) return;
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var position = t.position;
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var gridHeight = Zone.GetHeight(position.Flatland()) + GridOffset;
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Velocity += Vector3.up * (sign(gridHeight - position.y) * GridAttraction * Time.deltaTime);
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Velocity *= max(0, 1 - LaunchDrag * Time.deltaTime);
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var normal = Zone.GetNormal(position.Flatland());
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var force = new float2(normal.x, normal.z);
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var forceMagnitude = lengthsq(force);
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if (forceMagnitude > .001f)
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{
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var fa = 1 / (1 - forceMagnitude) - 1;
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_selfVelocity += normalize(force) * Zone.Settings.GravityStrength * fa * Gravity;
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}
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_selfVelocity *= max(0, 1 - Drag * Time.deltaTime);
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t.position = position + (Velocity + new Vector3(_selfVelocity.x, 0, _selfVelocity.y)) * Time.deltaTime;
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}
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} |