public void addVertex(float x, float y, float z, float u, float v) {
PVector vert = new PVector(x, y, z);
PVector texCoord = new PVector(u, v);
PVector vertNorm = PVector.div(vert, vert.mag());
vertices.add(vert);
texCoords.add(texCoord);
normals.add(vertNorm);
}
/**
* Returns the normalized axis direction of the rotation represented by the Quaternion.
*
* <p>The result is null for an identity Quaternion.
*
* @see #angle()
*/
public final PVector axis() {
PVector res = new PVector(this.x, this.y, this.z);
float sinus = res.mag();
if (sinus > 1E-8f) res.div(sinus);
if (PApplet.acos(this.w) <= HALF_PI) return res;
else {
res.x = -res.x;
res.y = -res.y;
res.z = -res.z;
return res;
}
}
public void setup() {
mFont = createFont("ArialRoundedMTBold-36", 48);
size(1440, 900, OPENGL);
background(0);
frameRate(120);
// model = new OBJModel(this, "alyson_laugh.obj", "absolute", TRIANGLES);
model = new OBJModel(this, "alyson_scared.obj", "absolute", TRIANGLES);
// model = new OBJModel(this, "alyson_crying.obj", "absolute", TRIANGLES);
smooth();
colorMode(HSB);
strokeWeight(4);
model.scale(800);
model.translateToCenter();
detailValue = 3;
scaleValue = 10;
vertices = new ArrayList();
ps = new ParticleSystem(this, scaleValue);
PVector averagePosition = new PVector(0, 0, 0);
for (int i = 0; i < model.getVertexCount(); i += detailValue) {
PVector destinationPoint = model.getVertex(i);
vertices.add(destinationPoint);
averagePosition.add(destinationPoint);
}
averagePosition.div(vertices.size());
for (int i = 0; i < vertices.size(); i++) {
PVector destination = (PVector) vertices.get(i);
Particle p = new Particle(this, averagePosition, destination);
ps.addParticle(p);
}
}
/** Initializes the preview applet layout according to the graph's dimension. */
private void initAppletLayout() {
// graphSheet.setMargin(MARGIN);
if (model != null && model.getDimensions() != null && model.getTopLeftPosition() != null) {
// initializes zoom
Dimension dimensions = model.getDimensions();
Point topLeftPostition = model.getTopLeftPosition();
PVector box = new PVector((float) dimensions.getWidth(), (float) dimensions.getHeight());
float ratioWidth = width / box.x;
float ratioHeight = height / box.y;
scaling = ratioWidth < ratioHeight ? ratioWidth : ratioHeight;
// initializes move
PVector semiBox = PVector.div(box, 2);
PVector topLeftVector = new PVector((float) topLeftPostition.x, (float) topLeftPostition.y);
PVector center = new PVector(width / 2f, height / 2f);
PVector scaledCenter = PVector.add(topLeftVector, semiBox);
trans.set(center);
trans.sub(scaledCenter);
lastMove.set(trans);
}
}
/**
* ( begin auto-generated from PVector_normalize.xml )
*
* <p>Normalize the vector to length 1 (make it a unit vector).
*
* <p>( end auto-generated )
*
* @webref pvector:method
* @usage web_application
* @brief Normalize the vector to a length of 1
*/
public void normalize() {
float m = mag();
if (m != 0 && m != 1) {
div(m);
}
}
public void applyForce(PVector f) {
// generic enough to work for any force, including gravity
acceleration = PVector.div(f, mass);
}