// 增加线段
public void AddLine(Vector3 start, Vector3 end, Color color, float radius = 0.1f)
{
int num = 6;
int angle = 360 / num;
Vector3 dir = (end - start).normalized;
var vertical = GetVerticalDir(dir);
for (int i = 1; i <= num; i++)
{
var r = Quaternion.AngleAxis(i * angle, dir) * vertical;
var r1 = Quaternion.AngleAxis((i + 1) * angle, dir) * vertical;
var p1 = (r * radius) + start;
var p2 = (r1 * radius) + start;
var p3 = (r * radius) + end;
var p4 = (r1 * radius) + end;
segment_mesh.SegmentData.SetTriangleVertice(0, start, p2, p1);
segment_mesh.SegmentData.SetColor(color);
segment_mesh.AddSegmentData(flag);
segment_mesh.SegmentData.SetTriangleVertice(0, end, p3, p4);
segment_mesh.SegmentData.SetColor(color);
segment_mesh.AddSegmentData(flag);
segment_mesh.SegmentData.SetTriangleVertice(0, p1, p2, p4);
segment_mesh.SegmentData.SetColor(color);
segment_mesh.AddSegmentData(flag);
segment_mesh.SegmentData.SetTriangleVertice(0, p3, p1, p4);
segment_mesh.SegmentData.SetColor(color);
segment_mesh.AddSegmentData(flag);
}
segment_mesh.CopyToMesh(render_object.mesh_filter.mesh, true);
render_object.mesh_filter.mesh.RecalculateNormals();
}
// 创建建筑
public void CreateBuild(BuildData build_data)
{
float build_height = (float)(build_data.floor_height * build_data.floor_num);
Vector3 h = new Vector3(0, build_height, 0);
// 绘制底面
List <int> triangleindex = Triangulation.WidelyTriangleIndex(build_data.panel_pos);
for (int i = 2; i < triangleindex.Count; i += 3)
{
Vector3 vv1 = build_data.panel_pos[triangleindex[i - 2]];
Vector3 vv2 = build_data.panel_pos[triangleindex[i - 1]];
Vector3 vv3 = build_data.panel_pos[triangleindex[i]];
segment_mesh.SegmentData.SetTriangleVertice(0, vv3, vv2, vv1);
segment_mesh.AddSegmentData(flag);
}
// 绘制柱子
Vector3 v1 = Vector3.zero;
Vector3 v2 = Vector3.zero;
Vector3 v3 = Vector3.zero;
Vector3 v4 = Vector3.zero;
for (int i = 0; i < build_data.panel_pos.Count; i++)
{
if (i == 0)
{
v2 = build_data.panel_pos[i];
v1 = build_data.panel_pos[build_data.panel_pos.Count - 1];
v4 = build_data.panel_pos[i] + h;
v3 = build_data.panel_pos[build_data.panel_pos.Count - 1] + h;
}
else
{
v1 = build_data.panel_pos[i - 1];
v2 = build_data.panel_pos[i];
v3 = build_data.panel_pos[i - 1] + h;
v4 = build_data.panel_pos[i] + h;
}
segment_mesh.SegmentData.SetTriangleVertice(0, v3, v2, v1);
segment_mesh.AddSegmentData(flag);
segment_mesh.SegmentData.SetTriangleVertice(0, v2, v3, v4);
segment_mesh.AddSegmentData(flag);
segment_mesh.SegmentData.SetTriangleVertice(0, v1, v2, v3);
segment_mesh.AddSegmentData(flag);
segment_mesh.SegmentData.SetTriangleVertice(0, v4, v3, v2);
segment_mesh.AddSegmentData(flag);
}
// 绘制顶面
for (int i = 2; i < triangleindex.Count; i += 3)
{
Vector3 vv1 = build_data.panel_pos[triangleindex[i - 2]] + h;
Vector3 vv2 = build_data.panel_pos[triangleindex[i - 1]] + h;
Vector3 vv3 = build_data.panel_pos[triangleindex[i]] + h;
segment_mesh.SegmentData.SetTriangleVertice(0, vv1, vv2, vv3);
segment_mesh.AddSegmentData(flag);
}
segment_mesh.CopyToMesh(render_object.mesh_filter.mesh, true);
render_object.mesh_filter.mesh.RecalculateNormals();
CreateLayer(build_data);
}