// Use this for initialization
void Start()
{
meshFilter = GetComponent <MeshFilter>();
mesh = new Mesh();
meshFilter.mesh = mesh;
//InitMesh();
HoseSegment previous = hoseSegment;
HoseSegment copy = hoseSegment;
bool top = true;
Vector3 position = Vector3.zero;
for (int i = 0; i < numSegments; i++)
{
if (i % 3 == 0)
{
top = !top;
}
if (top)
{
position = new Vector3((i + 1) * (minSeparation - 0.1f), 0.05f, 0.5f);
}
else
{
position = new Vector3((i + 1) * (minSeparation - 0.1f), 0.05f, 0);
}
// new Vector3 ((i+1) * (minSeparation+0.1f), 0.05f, 0)
copy = Instantiate(hoseSegment, hydrant.position + position, Quaternion.identity);
copy.maxSeparation = this.maxSeparation;
copy.minSeparation = this.minSeparation;
copy.moveSpeed = this.moveSpeed;
// keep track of where in the line a segment is
copy.segmentNumber = i + 1;
copy.totalSegments = numSegments;
if (i == 0)
{
// first in list
previous = copy;
previous.prev = hydrant;
previous.hoseType = HoseSegment.HoseType.Start;
first = previous;
}
else
{
copy.prev = previous.transform;
previous.next = copy.transform;
previous = copy;
}
}
last = copy;
copy.hoseType = HoseSegment.HoseType.End;
copy.next = nozzle;
// Nozzle is larger than segments; give it more space
copy.minSeparation *= 2;
nozzle.parent.transform.position = copy.transform.position + new Vector3((minSeparation + 0.1f) * 2, 0.6f, 0);
FindObjectOfType <GameManager>().GameOver += DetachNozzle;
}
void UpdateMesh()
{
// each segment has 2 vertices
// Plus 1 for the nozzle
Vector3[] verts = new Vector3[(numSegments + 1) * 2];
// Each segment has 2 triangles towards the next segment
// except the first one.
// Each triangle has 3 points
// Plus 1 for the nozzle
int[] tris = new int[(numSegments + 1 - 1) * 6];
int trisIndex = 0;
int trisCount = 0;
HoseSegment current = first.next.GetComponent <HoseSegment>();
Vector3 previousPos;
Vector3 direction = (current.transform.position - first.transform.position);
verts[0] = (first.transform.position) + Vector3.up * hydrantHeight + new Vector3(-direction.z, 0, direction.x).normalized *hoseWidth;
verts[1] = (first.transform.position) + Vector3.up * hydrantHeight + new Vector3(-direction.z, 0, direction.x).normalized * -hoseWidth;
int vertIndex = 2;
while (current.hoseType != HoseSegment.HoseType.End)
{
if (vertIndex == 2 || vertIndex == 4)
{
// make the verts near the hydrant higher
verts[vertIndex] = (current.transform.position) + Vector3.up * hydrantHeight / vertIndex + new Vector3(-direction.z, 0, direction.x).normalized *hoseWidth;
verts[vertIndex + 1] = (current.transform.position) + Vector3.up * hydrantHeight / vertIndex + new Vector3(-direction.z, 0, direction.x).normalized * -hoseWidth;
}
else
{
verts[vertIndex] = (current.transform.position) + new Vector3(-direction.z, 0, direction.x).normalized *hoseWidth;
verts[vertIndex + 1] = (current.transform.position) + new Vector3(-direction.z, 0, direction.x).normalized * -hoseWidth;
}
vertIndex += 2;
tris[trisIndex] = trisCount + 0;
tris[trisIndex + 1] = trisCount + 2;
tris[trisIndex + 2] = trisCount + 1;
tris[trisIndex + 3] = trisCount + 1;
tris[trisIndex + 4] = trisCount + 2;
tris[trisIndex + 5] = trisCount + 3;
trisCount += 2;
trisIndex += 6;
previousPos = current.transform.position;
current = current.next.GetComponent <HoseSegment>();
direction = (current.transform.position - previousPos);
}
// Attach the mesh to the last Hose Segment
verts[vertIndex] = (current.transform.position) + Vector3.up * nozzleHeight * 0.5f + new Vector3(-direction.z, 0, direction.x).normalized *hoseWidth;
verts[vertIndex + 1] = (current.transform.position) + Vector3.up * nozzleHeight * 0.5f + new Vector3(-direction.z, 0, direction.x).normalized * -hoseWidth;
vertIndex += 2;
tris[trisIndex] = trisCount + 0;
tris[trisIndex + 1] = trisCount + 2;
tris[trisIndex + 2] = trisCount + 1;
tris[trisIndex + 3] = trisCount + 1;
tris[trisIndex + 4] = trisCount + 2;
tris[trisIndex + 5] = trisCount + 3;
trisCount += 2;
trisIndex += 6;
verts[vertIndex] = nozzle.position + Vector3.up * nozzleHeight + new Vector3(-direction.z, 0, direction.x).normalized *hoseWidth;
verts[vertIndex + 1] = nozzle.position + Vector3.up * nozzleHeight + new Vector3(-direction.z, 0, direction.x).normalized * -hoseWidth;
tris[trisIndex] = trisCount + 0;
tris[trisIndex + 1] = trisCount + 2;
tris[trisIndex + 2] = trisCount + 1;
tris[trisIndex + 3] = trisCount + 1;
tris[trisIndex + 4] = trisCount + 2;
tris[trisIndex + 5] = trisCount + 3;
mesh.vertices = verts;
mesh.triangles = tris;
mesh.RecalculateNormals();
// keeps the mesh visible even when this game object is off the screen
mesh.RecalculateBounds();
}
