// Update is called once per frame
void Update()
{
tick += Time.deltaTime;
if (tick < 0.05f)
{
return;
}
tick = 0f;
int c = list.Count;
bool dirty = false;
for (int i = c - 1; i >= 0; i--)
{
GhostShadowObject o = list[i];
if (Time.realtimeSinceStartup - o.time > fadeTime)
{
list.RemoveAt(i);
dirty = true;
}
}
if (dirty)
{
RenderMesh(list);
}
}
public void RenderMesh(System.Collections.Generic.List <GhostShadowObject> list)
{
mesh.Clear();
meshRenderer.material.mainTexture = renderTarget;
int len = list.Count;
float uvdelta = ((float)delta) / size;
int row_count = size / delta;
Vector3[] vertices = new Vector3[4 * len];
Color [] colors = new Color[4 * len];
Vector2 [] uvs = new Vector2[4 * len];
Vector3 [] normals = new Vector3[4 * len];
for (int i = 0; i < len; i++)
{
GhostShadowObject o = list[i];
float f = (Time.realtimeSinceStartup - o.time) / fadeTime;
int _x = o.index / row_count;
int _y = o.index % row_count;
uvs[i * 4 + 0] = new Vector3(_x * uvdelta, _y * uvdelta, 0f);
uvs[i * 4 + 1] = new Vector3(_x * uvdelta, (_y + 1) * uvdelta, 0f);
uvs[i * 4 + 2] = new Vector3((_x + 1) * uvdelta, _y * uvdelta, 0f);
uvs[i * 4 + 3] = new Vector3((_x + 1) * uvdelta, (_y + 1) * uvdelta, 0f);
vertices[i * 4 + 0] = new Vector3(-0.5f * o.height * _scale, 0 * o.height * _scale, 0f) + o.position;
vertices[i * 4 + 1] = new Vector3(-0.5f * o.height * _scale, 1f * o.height * _scale, 0f) + o.position;
vertices[i * 4 + 2] = new Vector3(0.5f * o.height * _scale, 0 * o.height * _scale, 0f) + o.position;
vertices[i * 4 + 3] = new Vector3(0.5f * o.height * _scale, 1f * o.height * _scale, 0f) + o.position;
colors[i * 4 + 0] = colors[i * 4 + 1] = colors[i * 4 + 2] = colors[i * 4 + 3] = new Color(o.color.r, o.color.g, o.color.b, 1f);//Mathf.Lerp(0.9f,0.3f,f));
normals[i * 4 + 0] = normals[i * 4 + 1] = normals[i * 4 + 2] = normals[i * 4 + 3] = new Vector3(0f, 0f, -1f);
}
int [] triangles = new int [6 * len];
int _len = triangles.Length;
for (int i = 0; i < _len / 6; i++)
{
triangles[i * 6 + 0] = i * 4 + 0;
triangles[i * 6 + 1] = i * 4 + 1;
triangles[i * 6 + 2] = i * 4 + 2;
triangles[i * 6 + 3] = i * 4 + 2;
triangles[i * 6 + 4] = i * 4 + 1;
triangles[i * 6 + 5] = i * 4 + 3;
}
globalMeshRender.transform.position = Vector3.zero;
mesh.vertices = vertices;
mesh.colors = colors;
mesh.normals = normals;
mesh.uv = uvs;
mesh.triangles = triangles;
}
