void Update()
{
if (!firstRun)
{
return;
}
firstRun = false;
float startTime = Time.realtimeSinceStartup; //record start time at beginning of function
shapes = this.GetComponent <MeshShapes>();
populatePipes();
Debug.Log("Time to generate pipes: " + (Time.realtimeSinceStartup - startTime).ToString());
}
void Update()
{
if (!firstRun)
{
return;
}
firstRun = false;
float startTime = Time.realtimeSinceStartup; //record start time at beginning of function
shapes = this.GetComponent <MeshShapes>();
populateFlowers(3, 3); //restrict stems to 3 sides only
Debug.Log("Time to generate flowers: " + (Time.realtimeSinceStartup - startTime).ToString());
}
//generate numerous flowers with properties between the input ranges
void populateFlowers(int minStemSides = 3, int maxStemSides = 12, float minStemHeight = .12f, float maxStemHeight = .24f, float minStemWidth = .01f, float maxStemWidth = .03f,
float minTilt = 0, float maxTilt = 90f, int minPetals = 8, int maxPetals = 18, float minPetalLength = .04f, float maxPetalLength = .14f, float minPetalWidth = .015f,
float maxPetalWidth = .035f, int minPetalSegs = 2, int maxPetalSegs = 6, float minPetalSegRot = 5f, float maxPetalSegRot = 14f)
{
GameObject flowerParent = new GameObject();
flowerParent.name = "flower container";
//generate a 50x50 array of flowers on the x,z axes
for (int i = 0; i < 50; ++i)
{
for (int r = 0; r < 50; ++r)
{
//calculate random position and properties within input range
Vector3 curPos = new Vector3(1.5f + Random.Range(0, 49f), .5f, .25f + Random.Range(0, 49f));
int stemSides = Random.Range(minStemSides, maxStemSides);
float stemHeight = Random.Range(minStemHeight, maxStemHeight);
float stemWidth = Random.Range(minStemWidth, maxStemWidth);
float petalTilt = Random.Range(minTilt, maxTilt);
int numPetals = Random.Range(minPetals, maxPetals);
float petalLength = Random.Range(minPetalLength, maxPetalLength);
float petalWidth = Random.Range(minPetalWidth, maxPetalWidth);
int petalSegs = Random.Range(minPetalSegs, maxPetalSegs);
float petalSegRot = Random.Range(minPetalSegRot, maxPetalSegRot);
GameObject go = new GameObject();
go.name = "flower";
go.transform.position = curPos;
go.transform.rotation = meshGenerator.rotateQuaternion(go.transform.rotation, Vector3.up, Random.Range(0, 359f));
GenerateMesh newGenerator = go.AddComponent <GenerateMesh>();
MeshShapes shapes = go.AddComponent <MeshShapes>();
shapes.generateFlower(null, meshGenerator.rotateQuaternion(new Quaternion(0, 0, 0, 1), Vector3.left, -90f), stemSides, stemHeight, stemWidth, petalTilt, numPetals, petalLength, petalWidth, petalSegs, petalSegRot);
newGenerator.finalizeMesh();
go.GetComponent <MeshRenderer>().material = this.GetComponent <GenerateMesh>().material;
go.GetComponent <MeshRenderer>().material.color = Random.ColorHSV(0f, 1f, 1f, 1f, 0.5f, 1f);
go.GetComponent <MeshRenderer>().shadowCastingMode = UnityEngine.Rendering.ShadowCastingMode.Off;
go.transform.SetParent(flowerParent.transform, true);
//move flower to the ground
RaycastHit hit;
if (Physics.Raycast(go.transform.position, Vector3.down, out hit))
{
go.transform.position = new Vector3(go.transform.position.x, go.transform.position.y - hit.distance + stemHeight, go.transform.position.z);
}
}
}
}
public void MakeQuadMeshData(float extents)
{
thisShape = MeshShapes.quad;
this.QuadExtents = extents;
verticies = new Vector3[] { new Vector3(0, 0, 0), new Vector3(extents, 0, 0), new Vector3(0, 0, extents), new Vector3(extents, 0, extents), //bottom face
new Vector3(0, 0, 0), new Vector3(0, extents, 0), new Vector3(extents, 0, 0), new Vector3(extents, extents, 0), //front face
new Vector3(0, extents, 0), new Vector3(0, extents, extents), new Vector3(extents, extents, 0), new Vector3(extents, extents, extents), //top face
new Vector3(0, 0, extents), new Vector3(extents, 0, extents), new Vector3(0, extents, extents), new Vector3(extents, extents, extents), //back face
new Vector3(0, 0, 0), new Vector3(0, 0, extents), new Vector3(0, extents, 0), new Vector3(0, extents, extents), //left face
new Vector3(extents, 0, 0), new Vector3(extents, extents, 0), new Vector3(extents, 0, extents), new Vector3(extents, extents, extents) //right face
};
triangles = new int[] { 0, 1, 2, 2, 1, 3,
4, 5, 6, 6, 5, 7,
8, 9, 10, 10, 9, 11,
12, 13, 14, 14, 13, 15,
16, 17, 18, 18, 17, 19,
20, 21, 22, 22, 21, 23 };
}
public void MakeLoopMeshData()
{
thisShape = MeshShapes.loop;
List <Vector3> NewVerticies = new List <Vector3>();
List <int> newTriangles = new List <int>();
for (int i = 1; i < 6; i++)
{
NewVerticies.Add(new Vector3(i, i, i));
NewVerticies.Add(new Vector3(i, i + 1, i + 2));
NewVerticies.Add(new Vector3(i + 2, i + 1, i));
newTriangles.Add(3 * (i - 1));
newTriangles.Add(3 * (i - 1) + 1);
newTriangles.Add(3 * (i - 1) + 2);
}
verticies = NewVerticies.ToArray();
triangles = newTriangles.ToArray();
}
//generate numerous bricks with properties between the input ranges
void populateBricks(float length = .3f, float width = .6f, float height = .4f, float maxShiftOut = .15f)
{
GameObject brickParent = new GameObject();
brickParent.name = "brick container";
//first generate filling between the bricks, as a single wall
GameObject go = new GameObject();
go.name = "brick seams";
GenerateMesh newGenerator = go.AddComponent <GenerateMesh>();
MeshShapes shapes = go.AddComponent <MeshShapes>();
shapes.generateBox(50 * (length + .02f) - .12f, 50 * (width + .02f) - .12f, height - maxShiftOut - .1f,
new Vector3(.05f, 49 * (length + .02f) - .05f, -.05f), meshGenerator.rotateQuaternion(new Quaternion(0, 0, 0, 1), Vector3.left, -90f));
newGenerator.finalizeMesh();
go.GetComponent <MeshRenderer>().material = this.GetComponent <GenerateMesh>().material2;
go.transform.SetParent(brickParent.transform, true);
//generate 50x50 array of bricks on the x,y axes
for (int i = 0; i < 50; ++i)
{
for (int r = 0; r < 50; ++r)
{
float shiftOut = Random.Range(0, maxShiftOut);
Vector3 curPos = new Vector3(i * (width + .02f), r * (length + .02f), shiftOut);
go = new GameObject();
go.name = "brick";
go.transform.position = curPos;
newGenerator = go.AddComponent <GenerateMesh>();
shapes = go.AddComponent <MeshShapes>();
shapes.generateBox(length, width, height, null, meshGenerator.rotateQuaternion(new Quaternion(0, 0, 0, 1), Vector3.left, -90f));
newGenerator.finalizeMesh();
go.GetComponent <MeshRenderer>().material = this.GetComponent <GenerateMesh>().material;
go.transform.SetParent(brickParent.transform, true);
}
}
}
//generate numerous pipes with properties between the input ranges
void populatePipes(int pipeSegs = 16, float circumference = 3, float minExtents = .8f, float maxExtents = 3f)
{
GameObject pipeParent = new GameObject();
pipeParent.name = "pipe container";
//setup initial rotation and position
Vector3 curPos = new Vector3(0, 0, 0);
Quaternion curRot = new Quaternion(0, 0, 0, 1);
Vector3 prevForwardDir = Vector3.zero;
Vector3 forwardDir = Vector3.zero;
GameObject prevPipe = null;
GameObject go = null;
int rotAxis = 0;
//generate 2000 pipe segments, each with a random color
for (int i = 0; i < 2000; ++i)
{
float extents = Random.Range(minExtents, maxExtents);
prevForwardDir = forwardDir;
prevPipe = go;
forwardDir = curRot * Vector3.forward;
go = new GameObject();
go.name = "pipe segment";
if (i != 0 && rotAxis != 0) //move all but the first pipe so that they do not intersect, unless current pipe rotation was a spin
{
curPos = curPos + (prevForwardDir.normalized * (circumference / 2f / Mathf.PI));
curPos = curPos + (forwardDir.normalized * (circumference / 2f / Mathf.PI));
}
go.transform.position = curPos;
GenerateMesh newGenerator = go.AddComponent <GenerateMesh>();
shapes = go.AddComponent <MeshShapes>();
shapes.generateCylinder(extents, circumference, pipeSegs, false, "centerCap", null, curRot);
newGenerator.finalizeMesh();
go.GetComponent <MeshRenderer>().material = this.GetComponent <GenerateMesh>().material;
go.GetComponent <MeshRenderer>().material.color = Random.ColorHSV(0f, 1f, 1f, 1f, 0.5f, 1f);
go.transform.SetParent(pipeParent.transform, true);
if (i != 0 && rotAxis != 0) //if the current pipe rotation was not a spin, add an elbow joint
{
GameObject elbow = new GameObject();
elbow.name = "elbow";
elbow.transform.position = curPos;
GenerateMesh elbowGenerator = elbow.AddComponent <GenerateMesh>();
//generate triangles between all end verts of prevPipe, and all start verts of go
GenerateMesh prevGenerator = prevPipe.GetComponent <GenerateMesh>();
GenerateMesh curGenerator = go.GetComponent <GenerateMesh>();
for (int r = 0; r < pipeSegs; ++r)
{
Vector3 vert0 = prevGenerator.vertices[6 + r * 8] + (prevPipe.transform.position - curPos); //start front vert index is 6, each subsequent vert is 8 more (4 outside, 4 inside per quad)
Vector3 vert1 = prevGenerator.vertices[6 + (r + 1) % pipeSegs * 8] + (prevPipe.transform.position - curPos);
Vector3 vert2 = curGenerator.vertices[5 + r * 8]; //start back vert index is 5, each subsequent vert is 8 more (4 outside, 4 inside per quad)
Vector3 vert3 = curGenerator.vertices[5 + (r + 1) % pipeSegs * 8];
elbowGenerator.generateQuad(vert0, vert1, vert2, vert3); //generate outside quad
elbowGenerator.generateQuad(vert0, vert2, vert1, vert3); //generate inside (flipped) quad
}
elbowGenerator.finalizeMesh();
elbow.GetComponent <MeshRenderer>().material = this.GetComponent <GenerateMesh>().material;
elbow.GetComponent <MeshRenderer>().material.color = Random.ColorHSV(0f, 1f, 1f, 1f, 0.5f, 1f);
elbow.transform.SetParent(pipeParent.transform, true);
}
//update position to center of end cap
curPos = curPos + (forwardDir.normalized * extents);
rotAxis = Random.Range(0, 2);
int rotOrientation = Random.Range(0, 1);
curRot = meshGenerator.rotateQuaternion(curRot, rotAxis == 0 ? Vector3.forward : rotAxis == 1 ? Vector3.up : Vector3.left, 90 * (rotOrientation == 0 ? 1 : -1));
}
}
public void MakeSquareMeshData(float xextents)
{
thisShape = MeshShapes.square;
verticies = new Vector3[] { new Vector3(0, 0, 0), new Vector3(0, 0, xextents), new Vector3(xextents, 0, 0), new Vector3(xextents, 0, xextents) };
triangles = new int[] { 0, 1, 2, 2, 1, 3 };
}
public void MakeTriangleMeshData()
{
thisShape = MeshShapes.triangle;
verticies = new Vector3[] { new Vector3(0, 0, 0), new Vector3(0, 0, 1), new Vector3(1, 0, 0) };
triangles = new int[] { 0, 1, 2 };
}
