/**
* Draws only the vertices of the given shape in white. Normals and indices are ignored. TODO:
* negative W are possible, fix plx?
*
* @param shape
* @param t
*/
private void drawDotty(Shape shape, Matrix4f t) {
float[] points = null, colors = null;
for (VertexElement ve : shape.getVertexData().getElements()) {
switch (ve.getSemantic()) {
case POSITION:
points = ve.getData();
break;
case COLOR:
colors = ve.getData();
break;
case NORMAL:
// DO NOT WANT
break;
case TEXCOORD:
// DO NOT WANT
break;
}
}
for (int i = 0; i < points.length; i += 3) {
Point4f v = new Point4f(points[i], points[i + 1], points[i + 2], 1);
Color3f c = new Color3f(colors[i], colors[i + 1], colors[i + 2]);
t.transform(v);
int x = Math.round(v.x / v.w);
int y = Math.round(v.y / v.w);
if (x >= 0 && y >= 0 && y < colorBuffer.getHeight() && x < colorBuffer.getWidth())
drawPointAt(x, y, c.get().getRGB());
}
}
public void animateHelper(float dt) {
if (isSelected()) {
Color3f ic = new Color3f();
ic.interpolate(color, selectColor, (float) ((float) 0.5 + Math.sin(time * timeScale)));
material.setDiffuseColor(ic);
time += dt;
} else {
material.setDiffuseColor(color);
time = 0;
}
}
/** Draws circular particle using a display list. */
public void display(GL gl) {
if (PARTICLE_DISPLAY_LIST < 0) { // MAKE DISPLAY LIST:
int displayListIndex = gl.glGenLists(1);
gl.glNewList(displayListIndex, GL.GL_COMPILE);
drawParticle(gl, new Point3d(), radius); // /particle at origin
gl.glEndList();
System.out.println("MADE LIST " + displayListIndex + " : " + gl.glIsList(displayListIndex));
PARTICLE_DISPLAY_LIST = displayListIndex;
}
// / COLOR: DEFAULT WHITE; GREEN IF HIGHLIGHTED; ADD RED IF PINNED
Color3f c = new Color3f(1, 1, 1); // default: white
if (pin) {
c.x = 1f; // add red
c.y *= 0.2f;
c.z = 0;
}
if (highlight) {
c.y = 1;
c.z = 0;
}
if (GooParticle.class.isInstance(this)) {
c.x = 0;
c.y = 0;
// now its blue
}
gl.glColor3f(c.x, c.y, c.z);
// / DRAW ORIGIN-CIRCLE TRANSLATED TO "p":
gl.glPushMatrix();
gl.glTranslated(x.x, x.y, x.z);
gl.glCallList(PARTICLE_DISPLAY_LIST);
gl.glPopMatrix();
}
public void getPropertyComponents(List comps, final ObjectListener listener) {
visibleCbx = new JCheckBox(getName(), visible);
float[] rgb = color.get().getRGBComponents(null);
slider = new JSlider(0, 100, (int) (rgb[0] * 100));
float[] xyz = new float[3];
direction.get(xyz);
directionXFld = makeField("" + xyz[0], listener, "X Direction");
directionYFld = makeField("" + xyz[1], listener, "Y Direction");
directionZFld = makeField("" + xyz[2], listener, "Z Direction");
double[] pxyz = new double[3];
location.get(pxyz);
locationXFld = makeField("" + pxyz[0], listener, "");
locationYFld = makeField("" + pxyz[1], listener, "");
locationZFld = makeField("" + pxyz[2], listener, "");
List fldComps =
Misc.newList(GuiUtils.rLabel("Direction:"), directionXFld, directionYFld, directionZFld);
//
// fldComps.addAll(Misc.newList(GuiUtils.rLabel("Location:"),locationXFld,locationYFld,locationZFld));
comps.add(visibleCbx);
GuiUtils.tmpInsets = new Insets(0, 2, 0, 0);
comps.add(
GuiUtils.vbox(
slider, GuiUtils.left(GuiUtils.doLayout(fldComps, 4, GuiUtils.WT_N, GuiUtils.WT_N))));
if (listener != null) {
visibleCbx.addActionListener(listener);
slider.addChangeListener(listener);
}
}
public void brighter() {
float[] rgb = color.get().getRGBComponents(null);
rgb[0] = (float) Math.min(rgb[0] + 0.1, 1.0);
rgb[1] = (float) Math.min(rgb[1] + 0.1, 1.0);
rgb[2] = (float) Math.min(rgb[2] + 0.1, 1.0);
color = new Color3f(rgb);
updateLight();
}
/**
* Method to access appearance for cells in 3D
*
* @param initValue no null if appearance has to be changed according to user value. Using this
* mechanism to avoid the creation of new Boolean() just for the checking
*/
public static void setCellAppearanceValues(Object initValue) {
Color3f userColor = new Color3f(new Color(User.getColor(User.ColorPrefType.INSTANCE_3D)));
if (cellApp == null) {
cellApp = new J3DAppearance(TransparencyAttributes.SCREEN_DOOR, 0, null);
RenderingAttributes ra = new RenderingAttributes();
ra.setCapability(RenderingAttributes.ALLOW_VISIBLE_READ);
ra.setCapability(RenderingAttributes.ALLOW_VISIBLE_WRITE);
ra.setVisible(J3DUtils.is3DCellBndOn());
cellApp.setRenderingAttributes(ra);
// Set up the polygon attributes
PolygonAttributes pa = new PolygonAttributes();
pa.setCullFace(PolygonAttributes.CULL_NONE);
pa.setPolygonMode(PolygonAttributes.POLYGON_LINE);
cellApp.setPolygonAttributes(pa);
// TextureAttributes texAttr = new TextureAttributes();
// texAttr.setTextureMode(TextureAttributes.MODULATE);
// //texAttr.setTextureColorTable(pattern);
// cellApp.setTextureAttributes(texAttr);
LineAttributes lineAttr = new LineAttributes();
lineAttr.setLineAntialiasingEnable(true);
cellApp.setLineAttributes(lineAttr);
// ** Data for cells
ColoringAttributes ca = new ColoringAttributes();
ca.setCapability(ColoringAttributes.ALLOW_COLOR_WRITE);
ca.setCapability(ColoringAttributes.ALLOW_COLOR_READ);
ca.setColor(userColor);
cellApp.setColoringAttributes(ca);
cellApp.setCapability(Appearance.ALLOW_COLORING_ATTRIBUTES_READ);
cellApp.setCapability(Appearance.ALLOW_COLORING_ATTRIBUTES_WRITE);
} else if (initValue == null) // redoing color only when it was changed in GUI
{
ColoringAttributes ca = cellApp.getColoringAttributes();
Color3f curColor = new Color3f();
ca.getColor(curColor);
if (!userColor.equals(curColor)) ca.setColor(userColor);
}
}
/**
* Shades a point with the same algorithm used by the {@link <a
* href="http://surf.sourceforge.net">surf raytracer</a>}.
*
* @param hitPoint Intersection point.
* @param v View vector (from intersection point to eye).
* @param n Surface normal.
* @param material Surface material.
* @return
*/
protected Color3f shadeWithMaterial(
Point3d hitPoint,
Vector3d v,
Vector3d n,
Color3f ambientColor,
LightProducts[] lightProducts) {
Vector3d l = new Vector3d();
Vector3d h = new Vector3d();
Color3f color = new Color3f(ambientColor);
for (int i = 0; i < dcsd.lightSources.length; i++) {
LightSource lightSource = dcsd.lightSources[i];
l.sub(lightSource.getPosition(), hitPoint);
l.normalize();
float lambertTerm = (float) n.dot(l);
if (lambertTerm > 0.0f) {
// compute diffuse color component
color.scaleAdd(lambertTerm, lightProducts[i].getDiffuseProduct(), color);
// compute specular color component
h.add(l, v);
h.normalize();
color.scaleAdd(
(float)
Math.pow(Math.max(0.0f, n.dot(h)), lightProducts[i].getMaterial().getShininess()),
lightProducts[i].getSpecularProduct(),
color);
}
}
color.clampMax(1.0f);
return color;
}
public UnshadedMaterial(Color3f color) {
mColor.set(color);
}
private Color3f antiAliasPixel(
double ll_u,
double ll_v,
double u_incr,
double v_incr,
AntiAliasingPattern aap,
Color3f ulColor,
Color3f urColor,
Color3f llColor,
Color3f lrColor,
HashMap<java.lang.Double, ColumnSubstitutorPair> csp_hm) {
// first average pixel-corner colors
Color3f finalColor;
// adaptive supersampling
float thresholdSqr = dcsd.antiAliasingThreshold * dcsd.antiAliasingThreshold;
if (aap != AntiAliasingPattern.OG_2x2
&& (colorDiffSqr(ulColor, urColor) >= thresholdSqr
|| colorDiffSqr(ulColor, llColor) >= thresholdSqr
|| colorDiffSqr(ulColor, lrColor) >= thresholdSqr
|| colorDiffSqr(urColor, llColor) >= thresholdSqr
|| colorDiffSqr(urColor, lrColor) >= thresholdSqr
|| colorDiffSqr(llColor, lrColor) >= thresholdSqr)) {
// anti-alias pixel with advanced sampling pattern
finalColor = new Color3f();
for (SamplingPoint sp : aap) {
if (Thread.interrupted()) throw new RenderingInterruptedException();
Color3f ss_color;
if (sp.getU() == 0.0 && sp.getV() == 0.0) ss_color = llColor;
else if (sp.getU() == 0.0 && sp.getV() == 1.0) ss_color = ulColor;
else if (sp.getU() == 1.0 && sp.getV() == 1.0) ss_color = urColor;
else if (sp.getU() == 1.0 && sp.getV() == 0.0) ss_color = lrColor;
else {
// color of this sample point is not known -> calculate
double v = ll_v + sp.getV() * v_incr;
double u = ll_u + sp.getU() * u_incr;
ColumnSubstitutorPair csp = csp_hm.get(v);
if (csp == null) {
csp =
new ColumnSubstitutorPair(
dcsd.surfaceRowSubstitutor.setV(v), dcsd.gradientRowSubstitutor.setV(v));
csp_hm.put(v, csp);
}
ss_color = tracePolynomial(csp.scs, csp.gcs, u, v);
}
finalColor.scaleAdd(sp.getWeight(), ss_color, finalColor);
if (false)
return new Color3f(
0, 0, 0); // paint pixels, that are supposed to be anti-aliased in black
}
} else {
finalColor = new Color3f(ulColor);
finalColor.add(urColor);
finalColor.add(llColor);
finalColor.add(lrColor);
finalColor.scale(0.25f);
}
// clamp color, because floating point operations may yield values outside [0,1]
finalColor.clamp(0f, 1f);
return finalColor;
}
public Color getBackgroundColor() {
Color3f bgcolor3f = new Color3f();
background.getColor(bgcolor3f);
return bgcolor3f.get();
}
public void changeBackgroundColor(Color newColor) {
Color3f bgcolor3f = new Color3f();
bgcolor3f.set(newColor);
background.setColor(bgcolor3f);
}
