public static void UpdateLineAlertMesh(this AlertAreaMeshPack _pack, float length, float width, float borderWidth)
{
var vertices = _pack.vertices;
var uv = _pack.uv;
vertices[0] = new Vector3(-width, 0, 0);
vertices[1] = new Vector3(-width + borderWidth, 0, 0);
vertices[2] = new Vector3(width - borderWidth, 0, 0);
vertices[3] = new Vector3(width, 0, 0);
vertices[4] = new Vector3(-width, 0, length);
vertices[5] = new Vector3(-width + borderWidth, 0, length);
vertices[6] = new Vector3(width - borderWidth, 0, length);
vertices[7] = new Vector3(width, 0, length);
var vScale = CalculateVScale(length, borderWidth);
uv[4] = new Vector2(0, vScale);
uv[5] = new Vector2(0.25f, vScale);
uv[6] = new Vector2(0.75f, vScale);
uv[7] = new Vector2(1, vScale);
_pack.mesh.vertices = _pack.vertices;
_pack.mesh.uv = _pack.uv;
_pack.mesh.RecalculateBounds();
}
public static void UpdateRadioAlertMesh(this AlertAreaMeshPack _pack, float _radium, float _borderWidth)
{
var vertices = _pack.vertices;
var uv = _pack.uv;
var _sectorCount = ((SectorAlertAreaMeshPack)_pack).sectorCount;
var totalRadium = _radium + _borderWidth;
//var circleLength = Mathf.PI * 2 * _radium;
//var vMax = circleLength / _borderWidth; //V坐标的最大值
//var vForEachSector = vMax / _sectorCount;
var a = 360f / _sectorCount;
var rotInverse = Quaternion.AngleAxis(a, Vector3.up);
vertices[0] = Vector3.zero;
vertices[1] = vertices[2] = new Vector3(0, 0, _radium);
vertices[3] = new Vector3(0, 0, totalRadium);
for (int i = 0; i < _sectorCount; ++i)
{
var index = i * 3 + 4;
vertices[index] = vertices[index + 1] = rotInverse * vertices[index - 3];
vertices[index + 2] = rotInverse * vertices[index - 1];
}
//var prevRadium = vertices[1].z;
//prevRadium = Mathf.Max(prevRadium, 0.1f);
//var prevTotalRadium = vertices[3].z;
//prevTotalRadium = Mathf.Max(prevTotalRadium, 0.1f);
//var multiRadium = _radium / prevRadium;
//var multiTotalRadium = totalRadium / prevTotalRadium;
//vertices[1] = vertices[2] = new Vector3(0, 0, _radium);
//vertices[3] = new Vector3(0, 0, totalRadium);
//for (int i = 0; i < _sectorCount; ++i)
//{
// var index = i * 3 + 4;
// vertices[index] *= multiRadium;
// vertices[index + 1] *= multiRadium;
// vertices[index + 2] *= multiTotalRadium;
//}
//for (int i = 0; i < _sectorCount; ++i)
//{
// var index = i * 3 + 4;
// var currentV = vForEachSector * (i + 1);
// uv[index].y = currentV;
// uv[index + 1].y = currentV;
// uv[index + 2].y = currentV;
//}
_pack.mesh.vertices = vertices;
_pack.mesh.uv = uv;
_pack.mesh.RecalculateBounds();
}
public static void UpdateSectorAlertMesh(this AlertAreaMeshPack _pack, float radium, float angle, float borderWidth)
{
var vertices = _pack.vertices;
var uv = _pack.uv;
var verticeCount = vertices.Length;
var finalIndex = verticeCount - 1;
//VERTICES
vertices[0] = Vector3.zero;
vertices[finalIndex] = new Vector3(0, 0, radium);
angle = Mathf.Min(angle, 180);
var a = angle * 2f / ((SectorAlertAreaMeshPack)_pack).sectorCount;
var rotInverse = Quaternion.AngleAxis(a, Vector3.up);
var rotReverse = Quaternion.AngleAxis(-a, Vector3.up);
vertices[finalIndex - 1] = rotInverse * new Vector3(0, 0, radium);
for (int i = vertices.Length - 4; i >= 8; i -= 2) //右边
{
vertices[i] = rotInverse * vertices[i + 2];
}
for (int i = vertices.Length - 3; i >= 7; i -= 2) //左边
{
vertices[i] = rotReverse * vertices[i + 2];
}
vertices[1] = -(vertices[9] - vertices[7]).normalized * borderWidth;
vertices[2] = -(vertices[10] - vertices[8]).normalized * borderWidth;
vertices[3] = vertices[7] + vertices[1];
vertices[4] = vertices[8] + vertices[2];
vertices[6] = vertices[8];
vertices[5] = vertices[7];
var length = CalculateVScale(radium, borderWidth);
for (int i = 3; i < verticeCount; ++i)
{
uv[i].y = length;
}
_pack.mesh.vertices = vertices;
_pack.mesh.uv = uv;
_pack.mesh.RecalculateBounds();
}