109 lines
4.5 KiB
C#
109 lines
4.5 KiB
C#
using UnityEngine;
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namespace Passer.Humanoid {
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/// <summary>
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/// Specifies where a new \ref HumanoidControl "Humanoid" will spawn
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/// </summary>
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///
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/// At the beginning of the scene, the humanoid in will be moved to this transform if it is free.
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/// The check whether the spawn point is free is determined by the center, radius and height parameters
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/// which define the capsule which is checked with the isFree function.
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///
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/// \image html HumanoidSpawnPointInspector.png
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/// \image rtf HumanoidSpawnPointInspector.png
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///
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/// * \ref HumanoidSpawnPoint::center "Center"
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/// * \ref HumanoidSpawnPoint::radius "Radius"
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/// * \ref HumanoidSpawnPoint::height "Height"
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///
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/// In the scene view, the capsule is visualized as an orange cylinder when the spawn point is selected:
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///
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/// \image html HumanoidSpawnPointGizmo.png
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/// \image rtf HumanoidSpawnPointGizmo.png
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[HelpURL("https://passervr.com/apis/HumanoidControl/Unity/class_passer_1_1_humanoid_1_1_humanoid_spawn_point.html")]
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public class HumanoidSpawnPoint : SpawnPoint {
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/// <summary>
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/// The center of the capsule which is used to check whether the spawn point is free
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/// </summary>
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public Vector3 center = new Vector3(0, 0.9F, 0);
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/// <summary>
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/// The radius of the capsule which is used to check whether the spawn point is free
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/// </summary>
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public float radius = 0.3F;
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/// <summary>
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/// The height of the capsule which is used to check whether the spawn point is free
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/// </summary>
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public float height = 1.8F;
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public bool isFree {
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get {
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Vector3 toEnd = (height / 2 - radius - 0.01F) * Vector3.up;
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// We decrease the height with 1cm because otherwise the capsule won't be free
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// if it touches the ground at transform.position
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return !Physics.CheckCapsule(transform.position + center - toEnd, transform.position + center + toEnd, radius);
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}
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}
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private void Awake() {
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HumanoidControl humanoid = FindObjectOfType<HumanoidControl>();
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if (humanoid == null)
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return;
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Vector3 humanoidXZ = new Vector3(humanoid.transform.position.x, 0, humanoid.transform.position.z);
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Vector3 thisXZ = new Vector3(this.transform.position.x, 0, this.transform.position.z);
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float distance = Vector3.Distance(humanoidXZ, thisXZ);
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if (distance < radius || isFree)
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humanoid.transform.MoveTo(this.transform.position);
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}
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#region Gizmos
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private void OnDrawGizmos() {
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Gizmos.color = new Color(244F / 255F, 122F / 255F, 0);
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Gizmos.DrawCube(transform.position, new Vector3(0.2F, 0.01F, 0.2F));
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GizmosDrawCircle(transform.position, radius);
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}
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private void OnDrawGizmosSelected() {
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GizmosDrawCapsule(transform.position, radius);
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}
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private void GizmosDrawCapsule(Vector3 position, float radius) {
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Gizmos.color = new Color(244F / 255F, 122F / 255F, 0);
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GizmosDrawCircle(position + height * Vector3.up, radius);
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Vector3 toEnd = (height / 2) * Vector3.up;
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DrawCapsuleSide(position, center, toEnd, new Vector3(radius, 0, 0));
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DrawCapsuleSide(position, center, toEnd, new Vector3(-radius, 0, 0));
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DrawCapsuleSide(position, center, toEnd, new Vector3(0, 0, radius));
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DrawCapsuleSide(position, center, toEnd, new Vector3(0, 0, -radius));
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}
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private void DrawCapsuleSide(Vector3 position, Vector3 center, Vector3 toEnd, Vector3 delta) {
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Gizmos.DrawLine(position + center - toEnd + delta, position + center + toEnd + delta);
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}
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private void GizmosDrawCircle(Vector3 position, float radius) {
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float theta = 0;
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float x = radius * Mathf.Cos(theta);
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float y = radius * Mathf.Sin(theta);
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Vector3 pos = position + new Vector3(x, 0, y);
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Vector3 newPos = pos;
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Vector3 lastPos = pos;
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for (theta = 0.1f; theta < Mathf.PI * 2; theta += 0.1f) {
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x = radius * Mathf.Cos(theta);
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y = radius * Mathf.Sin(theta);
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newPos = position + new Vector3(x, 0, y);
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Gizmos.DrawLine(pos, newPos);
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pos = newPos;
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}
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Gizmos.DrawLine(pos, lastPos);
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}
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#endregion
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}
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}
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