/**
* Gets the vertices.
*
* @param resolution the resolution
* @return the vertices
*/
protected Vertex[] getVertices(int resolution) {
Vertex[] verts = new Vertex[resolution + 1];
float t;
float inc = degrees / (float) resolution;
double cosTheta = Math.cos(theta);
double sinTheta = Math.sin(theta);
MTColor fillColor = this.getFillColor();
for (int i = 0; i < resolution; i++) {
t = 0 + (i * inc);
// float x = (float) (centerPoint.x + (radiusX * Math.cos(t) * cosTheta) //TODO remove theta
// stuff? oder enablen als parameter?
// - (radiusY * Math.sin(t) * sinTheta) );
// float y = (float) (centerPoint.y + (radiusX * Math.cos(t) * sinTheta)
// + (radiusY * Math.sin(t) * cosTheta) );
float x =
(float)
(centerPoint.x
- (radiusX * Math.cos(t) * cosTheta)
+ (radiusY * Math.sin(t) * sinTheta));
float y =
(float)
(centerPoint.y
- (radiusX * Math.cos(t) * sinTheta)
- (radiusY * Math.sin(t) * cosTheta));
verts[i] =
new Vertex(
x,
y,
centerPoint.z,
fillColor.getR(),
fillColor.getG(),
fillColor.getB(),
fillColor.getAlpha());
}
verts[verts.length - 1] = verts[0];
// System.out.println("Points: " + verts.length);
// Create tex coords
float width = radiusX * 2;
float height = radiusY * 2;
float upperLeftX = centerPoint.x - radiusX;
float upperLeftY = centerPoint.y - radiusY;
for (int i = 0; i < verts.length; i++) {
Vertex vertex = verts[i];
vertex.setTexCoordU((vertex.x - upperLeftX) / width);
vertex.setTexCoordV((vertex.y - upperLeftY) / height);
// System.out.println("TexU:" + vertex.getTexCoordU() + " TexV:" + vertex.getTexCoordV());
}
return verts;
}
/**
* Static method for computing vertices of an annular segment.
*
* @param center
* @param innerRadius
* @param outerRadius
* @param startAngle
* @param endAngle
* @param segments
* @return
*/
public static Vertex[] computeVertices(
Vector3D center,
float innerRadius,
float outerRadius,
float startAngle,
float endAngle,
int segments) {
if (segments <= 0) {
throw new IllegalArgumentException("segments must be positive: " + segments);
}
List<Vertex> vertices = new ArrayList<Vertex>();
final float rmin = Math.min(innerRadius, outerRadius);
final float rmax = Math.max(innerRadius, outerRadius);
startAngle = fixAngle(startAngle);
endAngle = fixAngle(endAngle);
final float startRadians = (float) Math.toRadians(startAngle);
final float endRadians = (float) Math.toRadians(endAngle);
float arc = (float) Math.toRadians(computeArcDegrees(startAngle, endAngle));
segments = (int) Math.round(segments * arc / (Math.PI / 2.0));
if (segments == 0) {
segments = 1;
}
final float radInc = arc / segments;
float currentRadians = endRadians;
float minX = Float.MAX_VALUE;
float maxX = 0f;
float minY = Float.MAX_VALUE;
float maxY = 0f;
for (int i = 0; i <= segments; i++, currentRadians -= radInc) {
float x = -rmax * (float) Math.cos(currentRadians) + center.x;
float y = -rmax * (float) Math.sin(currentRadians) + center.y;
if (x < minX) minX = x;
if (x > maxX) maxX = x;
if (y < minY) minY = y;
if (y > maxY) maxY = y;
vertices.add(new Vertex(x, y, center.z));
}
currentRadians = startRadians;
for (int i = 0; i <= segments; i++, currentRadians += radInc) {
float x = -rmin * (float) Math.cos(currentRadians) + center.x;
float y = -rmin * (float) Math.sin(currentRadians) + center.y;
if (x < minX) minX = x;
if (x > maxX) maxX = x;
if (y < minY) minY = y;
if (y > maxY) maxY = y;
vertices.add(new Vertex(x, y, center.z));
}
Vertex[] varray = vertices.toArray(new Vertex[vertices.size()]);
float xRange = maxX - minX;
float yRange = maxY - minY;
// Set the texture X and Y
for (Vertex v : varray) {
float texU = 0f, texV = 0f;
if (xRange > 0) {
texU = (v.x - minX) / xRange;
}
if (yRange > 0) {
texV = (v.y - minY) / yRange;
}
v.setTexCoordU(texU);
v.setTexCoordV(texV);
}
return varray;
}
/**
* Uses the faces attached to this group during the parsing process and the lists with all
* vertex and all texture coordinates of the obj file to create arrays for this group with
* vertices and texture coords that only belong to this single group.
*
* @param allFileVerts
* @param allTexCoords
*/
public void compileItsOwnLists(Vertex[] allFileVerts, float[][] allTexCoords) {
indexArray = new int[faces.size() * 3];
if (allTexCoords.length > 0) {
texCoordIndexArray = new int[faces.size() * 3];
}
for (int i = 0; i < faces.size(); i++) {
AFace currentFace = faces.get(i);
Vertex v0 = allFileVerts[currentFace.p0];
Vertex v1 = allFileVerts[currentFace.p1];
Vertex v2 = allFileVerts[currentFace.p2];
if (allTexCoords.length > currentFace.t0
&& allTexCoords.length > currentFace.t1
&& allTexCoords.length > currentFace.t2) {
float[] texV0 = allTexCoords[currentFace.t0];
float[] texV1 = allTexCoords[currentFace.t1];
float[] texV2 = allTexCoords[currentFace.t2];
// Etwas redundant immer wieder zu machen beim gleichen vertex..whatever
v0.setTexCoordU(texV0[0]);
v0.setTexCoordV(texV0[1]);
v1.setTexCoordU(texV1[0]);
v1.setTexCoordV(texV1[1]);
v2.setTexCoordU(texV2[0]);
v2.setTexCoordV(texV2[1]);
// Check if there is a texture index in the hashtable at the faces texture pointer
// if not, create a new index = the end of thexcoords list, and put the pointer into the
// hash
// if yes, point the faces texture pointer to the pointer in the hash
// This process maps the texture coords and indices of all the groups in the obj
// file to only this groups texture coord list and texture indices, the indices
// are created from the index in the thex coord list when they are put in
// Only the texture coordinates are added to the list that have not been adressed
// in the texture indices pointers in the faces
// Same texture pointers will point to the same texcoord in the list
Integer oldToNewT0 = oldTexIndexToNewTexIndex.get(currentFace.t0);
if (oldToNewT0 != null) {
currentFace.t0 = oldToNewT0;
} else {
int newIndex = texCoordsForGroup.size();
texCoordsForGroup.add(texV0);
oldTexIndexToNewTexIndex.put(currentFace.t0, newIndex);
currentFace.t0 = newIndex;
}
Integer oldToNewT1 = oldTexIndexToNewTexIndex.get(currentFace.t1);
if (oldToNewT1 != null) {
currentFace.t1 = oldToNewT1;
} else {
int newIndex = texCoordsForGroup.size();
texCoordsForGroup.add(texV1);
oldTexIndexToNewTexIndex.put(currentFace.t1, newIndex);
currentFace.t1 = newIndex;
}
Integer oldToNewT2 = oldTexIndexToNewTexIndex.get(currentFace.t2);
if (oldToNewT2 != null) {
currentFace.t2 = oldToNewT2;
} else {
int newIndex = texCoordsForGroup.size();
texCoordsForGroup.add(texV2);
oldTexIndexToNewTexIndex.put(currentFace.t2, newIndex);
currentFace.t2 = newIndex;
}
}
// Do the same for the vertices.
// Create a new vertex pointer when adding the vertex to the list
Integer oldToNewP0 = oldIndexToNewIndex.get(currentFace.p0);
if (oldToNewP0 != null) {
// index of the old vertex list has already been mapped to a new one here -> use the new
// index in the face
currentFace.p0 = oldToNewP0;
} else {
int newIndex = verticesForGroup.size();
verticesForGroup.add(v0);
// mark that the former index (for exmample 323) is now at new index (f.e. 1)
oldIndexToNewIndex.put(currentFace.p0, newIndex);
currentFace.p0 = newIndex;
}
Integer oldToNewP1 = oldIndexToNewIndex.get(currentFace.p1);
if (oldToNewP1 != null) {
currentFace.p1 = oldToNewP1;
} else {
int newIndex = verticesForGroup.size();
verticesForGroup.add(v1);
oldIndexToNewIndex.put(currentFace.p1, newIndex);
currentFace.p1 = newIndex;
}
Integer oldToNewP2 = oldIndexToNewIndex.get(currentFace.p2);
if (oldToNewP2 != null) {
currentFace.p2 = oldToNewP2;
} else {
int newIndex = verticesForGroup.size();
verticesForGroup.add(v2);
oldIndexToNewIndex.put(currentFace.p2, newIndex);
currentFace.p2 = newIndex;
}
indexArray[i * 3] = currentFace.p0;
indexArray[i * 3 + 1] = currentFace.p1;
indexArray[i * 3 + 2] = currentFace.p2;
if (allTexCoords.length > 0) {
texCoordIndexArray[i * 3] = currentFace.t0;
texCoordIndexArray[i * 3 + 1] = currentFace.t1;
texCoordIndexArray[i * 3 + 2] = currentFace.t2;
}
}
}
/**
* Gets the vertices.
*
* @param resolution the resolution
* @return the vertices
*/
protected Vertex[] getVertices(int resolution) {
Vertex[] verts;
if (degrees < (float) Math.toRadians(360) && arcMode == pie) verts = new Vertex[resolution + 2];
else verts = new Vertex[resolution + 1];
float t;
float inc = degrees / (float) resolution;
double cosTheta = Math.cos(theta);
double sinTheta = Math.sin(theta);
MTColor fillColor = this.getFillColor();
for (int i = 0; i < resolution; i++) {
t = 0 + (i * inc);
// float x = (float) (centerPoint.x + (radiusX * Math.cos(t) * cosTheta) //TODO remove theta
// stuff? oder enablen als parameter?
// - (radiusY * Math.sin(t) * sinTheta) );
// float y = (float) (centerPoint.y + (radiusX * Math.cos(t) * sinTheta)
// + (radiusY * Math.sin(t) * cosTheta) );
float x =
(float)
(centerPoint.x
- (radiusX * Math.cos(t) * cosTheta)
+ (radiusY * Math.sin(t) * sinTheta));
float y =
(float)
(centerPoint.y
- (radiusX * Math.cos(t) * sinTheta)
- (radiusY * Math.sin(t) * cosTheta));
verts[i] =
new Vertex(
x,
y,
centerPoint.z,
fillColor.getR(),
fillColor.getG(),
fillColor.getB(),
fillColor.getAlpha());
}
if (degrees < (float) Math.toRadians(360) && arcMode == pie)
verts[verts.length - 2] =
new Vertex(
centerPoint.x,
centerPoint.y,
centerPoint.z,
fillColor.getR(),
fillColor.getG(),
fillColor.getB(),
fillColor.getAlpha());
verts[verts.length - 1] =
(Vertex)
verts[0]
.getCopy(); // NEED TO USE COPY BECAUSE TEX COORDS MAY GET SCALED DOUBLE IF SAME
// VERTEX OBJECT!
// System.out.println("Points: " + verts.length);
// Create tex coords
float width = radiusX * 2;
float height = radiusY * 2;
float upperLeftX = centerPoint.x - radiusX;
float upperLeftY = centerPoint.y - radiusY;
for (int i = 0; i < verts.length; i++) {
Vertex vertex = verts[i];
vertex.setTexCoordU((vertex.x - upperLeftX) / width);
vertex.setTexCoordV((vertex.y - upperLeftY) / height);
// System.out.println("TexU:" + vertex.getTexCoordU() + " TexV:" + vertex.getTexCoordV());
}
return verts;
}
