Renderer(int line) {
startLine = line;
if (!scene.antiAliasing) {
sampled = false;
samples = Math.max(scene.raysPerPixel, DEBUG_samples);
// Force it to be a perfect square
samples = (int) Math.sqrt(samples);
samples = samples * samples;
imageSamples = new Double3D[samples];
for (int i = 0; i < samples; i++) imageSamples[i] = new Double3D(0, 0, 0);
// Make samples are in the range [0,1]
Sample.multiJitter(imageSamples, samples);
// Make samples are in the range [-2,2]
Sample.cubicSplineFilter(imageSamples, samples);
// Scale image samples to [-.5,.5] and adjust to worldCoords this should be +-.5 pixels
// since we're in the middle of a pixel to begin with
for (int i = 0; i < samples; i++) {
imageSamples[i].x = widthRatio / 2 * (imageSamples[i].x / 4.0);
imageSamples[i].y = heightRatio / 2 * (imageSamples[i].y / 4.0);
// System.out.println("Jitter by: " + imageSamples[i] + " Pixel width: " + widthRatio + "
// Pixel height: " + heightRatio );
}
imageSamples[0].x++;
imageSamples[0].x--;
}
}
private void mouseToWorldCoord(
int x,
int y,
int[] viewport,
float[] proj,
Load2Dfloat data,
Tiledboard board,
boolean heightctrl) {
posx = (proj[1] - proj[0]) / viewport[2] * (x - viewport[0]) + proj[0];
posy = (-proj[3] + proj[2]) / viewport[3] * (y - viewport[1]) + proj[3];
System.out.println("light " + posx + " " + posy);
// scene.setlightpos(0, (float)posx, (float)posy);
double rad = Math.acos(posx / Math.sqrt(posx * posx + posy * posy));
if (posy < 0) rad = 2 * Math.PI - rad;
double r = Math.sqrt(32);
scene.setlightpospolar(0, r, rad);
scene.setlightdirectionrotate(rad);
// 高さ自動調整
// float heighttmp=0;
// if(heightctrl)heighttmp = mouseToHeight(posx, posy, data, board);
// scene.setLightCircleLookOutside(posx,posy,height+heighttmp,angle,1,1,scene.lightCount());
posx = (double) x / viewport[2] * 2 * Math.PI;
posx = 2 * Math.PI * 0.8;
// scene.setLightCircleLookInside(posx, height);
}
Renderer() {
xMin = scene.camera.viewportLeft + 0.5;
xMax = scene.camera.viewportRight;
yMin = scene.camera.viewportBottom + 0.5;
yMax = scene.camera.viewportTop;
if (scene.antiAliasing) {
samples = Math.max(scene.raysPerPixel, DEBUG_samples);
// Force it to be a perfect square
samples = (int) Math.sqrt(samples);
samples = samples * samples;
imageSamples = new Double3D[samples];
for (int i = 0; i < samples; i++) imageSamples[i] = new Double3D(0, 0, 0);
Sample.multiJitter(imageSamples, samples);
// Samples are in the range [-2,2]
Sample.cubicSplineFilter(imageSamples, samples);
// Scale image samples to [-1,1]
for (int i = 0; i < samples; i++) {
imageSamples[i].x = widthRatio * imageSamples[i].x / 2.0;
imageSamples[i].y = heightRatio * imageSamples[i].y / 2.0;
}
}
}
public void fellipse(Coord c, Coord r, int a1, int a2) {
st.set(cur2d);
apply();
gl.glBegin(GL.GL_TRIANGLE_FAN);
vertex(c);
for (int i = a1; i <= a2; i += 5) {
double a = (i * Math.PI * 2) / 360.0;
vertex(c.add((int) (Math.cos(a) * r.x), -(int) (Math.sin(a) * r.y)));
}
gl.glEnd();
checkerr();
}
public void prect(Coord c, Coord ul, Coord br, double a) {
st.set(cur2d);
apply();
gl.glEnable(GL2.GL_POLYGON_SMOOTH);
gl.glBegin(GL.GL_TRIANGLE_FAN);
vertex(c);
vertex(c.add(0, ul.y));
double p2 = Math.PI / 2;
all:
{
float tc;
tc = (float) (Math.tan(a) * -ul.y);
if ((a > p2) || (tc > br.x)) {
vertex(c.x + br.x, c.y + ul.y);
} else {
vertex(c.x + tc, c.y + ul.y);
break all;
}
tc = (float) (Math.tan(a - (Math.PI / 2)) * br.x);
if ((a > p2 * 2) || (tc > br.y)) {
vertex(c.x + br.x, c.y + br.y);
} else {
vertex(c.x + br.x, c.y + tc);
break all;
}
tc = (float) (-Math.tan(a - Math.PI) * br.y);
if ((a > p2 * 3) || (tc < ul.x)) {
vertex(c.x + ul.x, c.y + br.y);
} else {
vertex(c.x + tc, c.y + br.y);
break all;
}
tc = (float) (-Math.tan(a - (3 * Math.PI / 2)) * -ul.x);
if ((a > p2 * 4) || (tc < ul.y)) {
vertex(c.x + ul.x, c.y + ul.y);
} else {
vertex(c.x + ul.x, c.y + tc);
break all;
}
tc = (float) (Math.tan(a) * -ul.y);
vertex(c.x + tc, c.y + ul.y);
}
gl.glEnd();
gl.glDisable(GL2.GL_POLYGON_SMOOTH);
checkerr();
}
public void fellipse(Coord c, Coord r, int a1, int a2) {
glcolor();
texsel(-1);
gl.glBegin(GL.GL_TRIANGLE_FAN);
vertex(c);
for (int i = a1; i < a2; i += 5) {
double a = (i * Math.PI * 2) / 360.0;
vertex(c.add((int) (Math.cos(a) * r.x), -(int) (Math.sin(a) * r.y)));
}
double a = (a2 * Math.PI * 2) / 360.0;
vertex(c.add((int) (Math.cos(a) * r.x), -(int) (Math.sin(a) * r.y)));
gl.glEnd();
checkerr();
}
public void configureGL(GL2 gl) {
gl.glEnable(GL2.GL_FOG);
gl.glFogi(GL2.GL_FOG_MODE, GL2.GL_LINEAR);
gl.glFogf(GL2.GL_FOG_DENSITY, 0.25f);
gl.glFogf(GL2.GL_FOG_START, Math.max(getNearClippingPlane(), fadeOut * 1.0f));
gl.glFogf(GL2.GL_FOG_END, Math.max(1.1f, fadeOut * 1.1f * getSpawnDistance()));
gl.glMatrixMode(GL2.GL_PROJECTION);
gl.glLoadIdentity();
gl.glFrustumf(-1, 1, -man.vheight(), man.vheight(), getNearClippingPlane(), 128.0f);
gl.glScalef(2.0f, 2.0f, 1);
gl.glTranslatef(-0.5f, -man.vheight() / 2.0f, 0);
gl.glMatrixMode(GL2.GL_MODELVIEW);
gl.glLoadIdentity();
}
boolean transmissionDirection(Ray ray, HitRecord hit, Ray transmission) {
double n = transmission.r.prevR.n;
double nt = transmission.r.n;
Double3D N = hit.normal;
Double3D D = ray.dir;
double cosine = -D.dot(N);
if (n > nt) { // We're inside, so reverse the normal
N = N.sMult(-1);
cosine = -D.dot(N);
}
double nRatio = n / nt;
double cosinePSq = 1.0 - nRatio * nRatio * (1.0f - cosine * cosine);
// check for total internal refraction here
if (cosinePSq < 0.0f) return false; // total internal refraction
else {
// D - N(N.D)
// Double3D pOne = D.minus( N.sMult(N.dot(D)) ).sMult(nRatio);
double inside = nRatio * cosine - Math.sqrt(cosinePSq);
Double3D temp = D.sMult(nRatio).plus(N.sMult(inside)).getUnit();
transmission.dir.x = temp.x;
transmission.dir.y = temp.y;
transmission.dir.z = temp.z;
}
return true;
}
private static void rebound() {
float f = 0.0f;
float n = 0.0f;
float b = 0.0f;
float t = 0.0f;
float l = 0.0f;
float r = 0.0f;
for (Polygon poly : polygons) {
poly.recalc();
if (poly.getMinZ() < f) {
f = poly.getMinZ();
}
if (poly.getMaxZ() > n) {
n = poly.getMaxZ();
}
if (poly.getMinY() < b) {
b = poly.getMinY();
}
if (poly.getMaxY() > t) {
t = poly.getMaxY();
}
if (poly.getMinX() < l) {
l = poly.getMinX();
}
if (poly.getMaxX() > r) {
r = poly.getMaxX();
}
}
float maxSpan = Math.max(Math.max(f - n, t - b), r - l);
for (Polygon poly : polygons) {
for (Point3Df p : poly.getPoints()) {
p.x = p.x * (2 / maxSpan) - (r + l) / (r - l);
p.y = p.y * (2 / maxSpan) - (t + b) / (t - b);
p.z = p.z * (2 / maxSpan) - (n + f) / (n - f);
}
poly.recalc();
}
}
public void interactionForce(Particle other) {
// ok, now for the fun stuff...
Vector3d posDif = new Vector3d();
posDif.sub(x, other.x);
Vector3d velDif = new Vector3d();
velDif.sub(v, other.v);
double d = posDif.length();
double dSquared = d * d;
int m = 6;
int n = 5;
double r0 = 2 * PARTICLE_RADIUS;
double cr = r0;
double cd = r0;
double b1 = 1;
double b2 = b1; // *Math.pow(r0, n-m);
double sumR = 2 * PARTICLE_RADIUS;
double sr = 250;
double sd = 70;
/*sr = dSquared/(cr*cr*(sumR)*(sumR));
sd = dSquared/(cd*cd*(sumR)*(sumR));
sr = Math.max(0, 1 - sr);
sd = Math.max(0, 1 - sd);*/
Vector3d f = new Vector3d();
f.set(posDif);
f.normalize();
double sf =
-sr * (b1 / Math.pow(d / r0, m) - b2 / Math.pow(d / r0, n))
+ sd * (velDif.dot(f) / (d / r0));
f.scale(sf);
other.f.add(f);
}
private void ReduceDualA(double dNumSamples) {
Texture kTarget = null;
m_pkRenderer.Resize(
m_kEntropyOut.GetTarget(0).GetImage().GetBound(0),
m_kEntropyOut.GetTarget(0).GetImage().GetBound(1));
m_kEntropyOut.Enable();
m_pkRenderer.ClearColorDepth();
// m_pkRenderer.ClearBuffers();
m_pkRenderer.Draw(m_kEntropyPoints2D);
m_kEntropyOut.Disable();
kTarget = m_kEntropyOut.GetTarget(0);
double dEntropyDual = 0;
double dOverlap = 0;
double dEntropyX = 0, dEntropyY = 0;
if (kTarget != null) {
int iIndex = 0;
int iStep = (int) Math.max(1.0, (int) (kTarget.GetImage().GetBytesPerPixel() / 4.0f));
m_pkRenderer.GetTexImage(kTarget);
// System.err.println( "Entropy = " + kTarget.GetImage().GetFloatData()[0] + " "
// + kTarget.GetImage().GetFloatData()[1] + " "
// + kTarget.GetImage().GetFloatData()[2] + " "
// + kTarget.GetImage().GetFloatData()[3] );
for (int i = 0; i < kTarget.GetImage().GetBound(1); i++) {
for (int j = 0; j < kTarget.GetImage().GetBound(0); j++) {
dEntropyDual += kTarget.GetImage().GetFloatData()[iIndex];
dEntropyY += kTarget.GetImage().GetFloatData()[iIndex + 1];
dEntropyX += kTarget.GetImage().GetFloatData()[iIndex + 2];
dOverlap += kTarget.GetImage().GetFloatData()[iIndex + 3];
iIndex += iStep;
}
}
}
dEntropyX = dEntropyX / dNumSamples;
dEntropyY = dEntropyY / dNumSamples;
m_dOverlap = dOverlap;
m_dHx = dEntropyX;
m_dHy = dEntropyY;
m_dHxy = dEntropyDual / dNumSamples;
// System.err.println( "GPU: " + m_iWidth + " " + dNumSamples + " " + m_dOverlap + " " + m_dHx +
// " " + m_dHy + " " + m_dHxy );
}
public void ftriangle(Coord center, int size) {
if (size < 1) return;
double sqrt3 = Math.sqrt(3);
double Orad = (sqrt3 * size) / 3;
double Irad = (sqrt3 * size) / 6;
Coord c1, c2, c3;
c1 = new Coord(center.x, center.y - (int) Orad);
c2 = new Coord(center.x + (int) (size / 2) - 1, center.y + (int) Irad);
c3 = new Coord(center.x - (int) (size / 2) + 1, center.y + (int) Irad);
glcolor();
texsel(-1);
gl.glBegin(GL.GL_TRIANGLE_STRIP);
vertex(c1);
vertex(c2);
vertex(c3);
gl.glEnd();
checkerr();
}
private void calcEntropy() {
calcEntropy(m_kImageA, m_kImageA.dataSize);
int nVoxels = m_kImageA.dataSize;
if (((m_kImageA.nDims < 3) && (m_dOverlap > 1000))
|| ((m_kImageA.nDims == 3) && (m_dOverlap > (0.15 * nVoxels)))) {
double nRatio = (nVoxels) / m_dOverlap;
m_dHx = (nRatio * m_dHx) - Math.log(nRatio);
m_dHy = (nRatio * m_dHy) - Math.log(nRatio);
m_dHxy = (nRatio * m_dHxy) - Math.log(nRatio);
} else {
m_dHx = Math.log(nVoxels);
m_dHy = Math.log(nVoxels);
m_dHxy = 2.0 * Math.log(nVoxels);
}
}
private void renderOneside(Point2D a, Point2D b, GL gl, double d) {
gl.glClear(0);
Vector3D t = new Vector3D(b.x - a.x, 0, b.y - a.y);
Vector3D n = new Vector3D(0, 1, 0);
Vector3D cross = n.cross(t);
gl.glNormal3d(cross.x, cross.y, cross.z);
// Texture adjustment vars
double length =
scale * Math.sqrt((a.x - b.x) * (a.x - b.x) + (a.y - b.y) * (a.y - b.y)) / 100 + 0.1;
double height = scale;
// draw the 4 points of it
gl.glBegin(GL.GL_POLYGON);
gl.glTexCoord2d(0, 0);
gl.glVertex3d(a.x, d, a.y);
gl.glTexCoord2d(0, height);
gl.glVertex3d(a.x, d + 100, a.y);
gl.glTexCoord2d(length, height);
gl.glVertex3d(b.x, d + 100, b.y);
gl.glTexCoord2d(length, 0);
gl.glVertex3d(b.x, d, b.y);
gl.glEnd();
}
/** Returns the distance at which objects should spawn. */
public float getSpawnDistance() {
return Math.min(8 * player.getSpeed(), Tunnel.GRID_LENGTH * Tunnel.GSQ_LEN / 2);
}
private void calcLineMin() {
m_kImagePointsDual.DetachAllEffects();
m_kImagePointsDual.AttachEffect(m_kImageLineMinDual);
boolean bEarly = false;
Texture kTarget = null;
OpenGLFrameBuffer kCurrentBracket = m_kBracketOut;
OpenGLFrameBuffer kNewBracket = m_kBracketNewOut;
OpenGLFrameBuffer kTempBracket;
for (int i = 0; i < 100; i++) {
m_kCalcTransform.SetTexture(kCurrentBracket.GetTarget(0), 0, 0);
m_kImageLineMinPass2a.SetTexture(kCurrentBracket.GetTarget(0), 0, 0);
// 1. Create the transform matrix based on the current bracket.
m_pkRenderer.Resize(
m_kTransformOut.GetTarget(0).GetImage().GetBound(0),
m_kTransformOut.GetTarget(0).GetImage().GetBound(1));
m_kTransformOut.Enable();
m_pkRenderer.ClearColorDepth();
// m_pkRenderer.ClearBuffers();
m_pkRenderer.Draw(m_kTransformPoints);
m_kTransformOut.Disable();
/*
kTarget = m_kTransformOut.GetTarget(0);
m_pkRenderer.GetTexImage( kTarget );
for ( int j = 0; j < kTarget.GetImage().GetFloatData().length; j++ )
{
System.err.print( kTarget.GetImage().GetFloatData()[j] + " " );
}
System.err.println( " " ); */
// 1. Render all image points w/LineMin1 shaders
m_pkRenderer.Resize(
m_kHistogramOutput.GetTarget(0).GetImage().GetBound(0),
m_kHistogramOutput.GetTarget(0).GetImage().GetBound(1));
m_kHistogramOutput.Enable();
m_pkRenderer.ClearColorDepth();
// m_pkRenderer.ClearBuffers();
m_pkRenderer.Draw(m_kImagePointsDual);
m_kHistogramOutput.Disable();
// 2. Render Histogram points
m_pkRenderer.Resize(
m_kHistogramOutputB.GetTarget(0).GetImage().GetBound(0),
m_kHistogramOutputB.GetTarget(0).GetImage().GetBound(1));
m_kHistogramOutputB.Enable();
m_pkRenderer.ClearColorDepth();
// m_pkRenderer.ClearBuffers();
m_pkRenderer.Draw(m_kHistogramPoints2D);
m_kHistogramOutputB.Disable();
// 3. Render Entropy points w/LineMin1 shader
m_pkRenderer.Resize(
m_kEntropyOut.GetTarget(0).GetImage().GetBound(0),
m_kEntropyOut.GetTarget(0).GetImage().GetBound(1));
m_kEntropyOut.Enable();
m_pkRenderer.ClearColorDepth();
// m_pkRenderer.ClearBuffers();
m_pkRenderer.Draw(m_kEntropyPoints2D);
m_kEntropyOut.Disable();
// 4. Render bracket points w/LineMin2 shader
m_kBracketPoints.DetachAllEffects();
m_kBracketPoints.AttachEffect(m_kImageLineMinPass2a);
m_pkRenderer.Resize(
kNewBracket.GetTarget(0).GetImage().GetBound(0),
kNewBracket.GetTarget(0).GetImage().GetBound(1));
kNewBracket.Enable();
m_pkRenderer.ClearColorDepth();
// m_pkRenderer.ClearBuffers();
m_pkRenderer.Draw(m_kBracketPoints);
kNewBracket.Disable();
kTempBracket = kCurrentBracket;
kCurrentBracket = kNewBracket;
kNewBracket = kTempBracket;
if ((i % 6) == 0) {
// kTarget = m_kBracketOut.GetTarget(0);
kTarget = kCurrentBracket.GetTarget(0);
m_pkRenderer.GetTexImage(kTarget);
/*
System.err.println("");
System.err.println("");
System.err.println( "GPU BracketA = " + kTarget.GetImage().GetFloatData()[0] + " " + kTarget.GetImage().GetFloatData()[1]);
System.err.println( "GPU BracketB = " + kTarget.GetImage().GetFloatData()[4] + " " + kTarget.GetImage().GetFloatData()[5]);
System.err.println( "GPU BracketC = " + kTarget.GetImage().GetFloatData()[8] + " " + kTarget.GetImage().GetFloatData()[9]);
System.err.println( " " + i + " xNew = " + kTarget.GetImage().GetFloatData()[3] + " yNew = " +
kTarget.GetImage().GetFloatData()[6] + " case: " + kTarget.GetImage().GetFloatData()[7] + " " +
kTarget.GetImage().GetFloatData()[10] + " " +
kTarget.GetImage().GetFloatData()[11]);
*/
if ((Math.abs(kTarget.GetImage().GetFloatData()[8] - kTarget.GetImage().GetFloatData()[0])
<= m_fUnitTolerance)) {
m_afBracketB[0] = kTarget.GetImage().GetFloatData()[4];
m_afBracketB[1] = kTarget.GetImage().GetFloatData()[5];
bEarly = true;
break;
}
if (kTarget.GetImage().GetFloatData()[3] == 0) {
m_afBracketB[0] = kTarget.GetImage().GetFloatData()[4];
m_afBracketB[1] = kTarget.GetImage().GetFloatData()[5];
bEarly = true;
System.err.println("BREAK EARLY BAD");
break;
}
}
}
if (!bEarly) {
// kTarget = m_kBracketOut.GetTarget(0);
kTarget = kCurrentBracket.GetTarget(0);
m_pkRenderer.GetTexImage(kTarget);
m_afBracketB[0] = kTarget.GetImage().GetFloatData()[4];
m_afBracketB[1] = kTarget.GetImage().GetFloatData()[5];
/*
System.err.println("");
System.err.println("");
System.err.println( "GPU BracketA = " + kTarget.GetImage().GetFloatData()[0] + " " + kTarget.GetImage().GetFloatData()[1]);
System.err.println( "GPU BracketB = " + kTarget.GetImage().GetFloatData()[4] + " " + kTarget.GetImage().GetFloatData()[5]);
System.err.println( "GPU BracketC = " + kTarget.GetImage().GetFloatData()[8] + " " + kTarget.GetImage().GetFloatData()[9]);
*/
}
// System.err.println( m_afBracketB[0] + " " + m_afBracketB[1] );
}
// iPoint is the point of intersection with the surface.
DoubleColor shade(Ray ray, HitRecord hit, MaterialCell material, boolean background) {
DoubleColor color = new DoubleColor(0.0, 0.0, 0.0, 1.0);
// Add ambient light only once
color.plus(
new DoubleColor(
(double) (lights[0].ambient[0] * material.ka.r),
(double) (lights[0].ambient[1] * material.ka.g),
(double) (lights[0].ambient[2] * material.ka.b),
(double) (lights[0].ambient[3] * material.ka.a)));
// Assign material color?
// Local light or directional? If directional then we need to see if it's shining on the
// object
if (!background) {
double d = 2; // L.distanceTo(hit.hitP);
for (int i = 0; i < lights.length; i++) {
if (lights[i].lightSwitch == 1) {
Double3D L =
new Double3D(
(double) lights[i].position[0],
(double) lights[i].position[1],
(double) lights[i].position[2]);
L = L.minus(hit.hitP).getUnit();
Ray shadowRay = new Ray(hit.hitP, L);
// trace shadow ray to light source
// Turn shadows on and shadowRay hit nothing
if (!scene.shadows || shadowTrace(shadowRay)) {
double LdN = Math.max(0, hit.normal.dot(L));
if (LdN > 0) {
// -2(-L.N)N + -L
Double3D R = hit.normal.sMult(-2 * hit.normal.dot(L.sMult(-1))).plus(L.sMult(-1));
double RdV = Math.max(0, -R.dot(ray.dir));
// If the light is free add the diffuse light
// Intensity (Kd * (LdN) + Ks *(RdV)^(shiny)/(r + k)
color.plus(
new DoubleColor(
(double)
(lights[i].diffuse[0] * LdN
+ lights[i].specular[0] * Math.pow(RdV, material.shiny))
/ d,
(double)
(lights[i].diffuse[1] * LdN
+ lights[i].specular[1] * Math.pow(RdV, material.shiny))
/ d,
(double)
(lights[i].diffuse[2] * LdN
+ lights[i].specular[2] * Math.pow(RdV, material.shiny))
/ d,
1.0)); // */
} // if(LdN > 0)
} // if(!scene.shadows || shadowTrace(shadowRay))
} // if(lights[i].lightSwitch == 1){
} // for
// Shiny Phong
// If IdN > 0 then we find a reflection
// If IdN < 0 then we need -normal
if (scene.reflections
&& (material.reflectivity.r > 0
|| material.reflectivity.g > 0
|| material.reflectivity.b > 0)) {
depth++;
// R = I - 2 * (I.N)N
Double3D R = new Double3D();
Double3D I = ray.dir; // .sMult(-1.0);
Double3D N = hit.normal;
// double IdN = I.dot(N);
// if (IdN > 0){
// N = N.sMult(-1.0);
// IdN = -I.dot(N);
// }//*/
R = I.plus(N.sMult(-2.0 * I.dot(N)));
Ray reflect = new Ray(hit.hitP, R);
DoubleColor reflection = trace(reflect);
// Scale by distance?
// reflection.scale( 1 / reflect.origin().distanceTo(hit.hitP));
reflection.r = reflection.r * material.reflectivity.r;
reflection.g = reflection.g * material.reflectivity.g;
reflection.b = reflection.b * material.reflectivity.b;
color.plus(reflection);
depth--;
}
if (scene.refractions
&& (material.refractivity.r > 0
|| material.refractivity.g > 0
|| material.refractivity.b > 0)) // */
{
depth++;
Ray refract = new Ray(hit.hitP, ray.dir);
if (hit.index == ray.r.objectNum) // Hit the object we're already in
{
// Pop the n off the stack
refract.r = ray.r;
// Swap the refraction indices
double temp = refract.r.n;
refract.r.n = refract.r.prevR.n;
refract.r.prevR.n = temp;
} else // Otherwise we hit a new object push this n onto the stack and get mat index
{
refract.r.prevR = ray.r;
refract.r.n = material.refractiveIndex;
refract.r.objectNum = hit.index;
}
if (transmissionDirection(ray, hit, refract)) {
DoubleColor refraction = trace(refract);
refraction.r = refraction.r * material.refractivity.r;
refraction.g = refraction.g * material.refractivity.g;
refraction.b = refraction.b * material.refractivity.b;
// Scale for distance?
color.plus(refraction);
}
depth--;
}
}
return color;
}
// utility for contains takes an offset so we can check the two parts of the portal
public boolean contains(int offset, int x, int y) {
Edge2D e = new Edge2D(pts2d.get(offset), pts2d.get(offset + 1));
Point2D pe = e.toLineSpace(new Point(x, y));
return (pe.getX() > 0 && pe.getX() < 1 && Math.abs(pe.getY()) < EPSILON);
}
private double getdatafrombuffer(FloatBuffer fb, int index) {
return Math.sqrt(Math.pow(fb.get(4 * index + 2), 2) + Math.pow(fb.get(4 * index + 3), 2))
* 0.05;
}
private void updateSubImageImpl(
TextureData data,
int newTarget,
int mipmapLevel,
int dstx,
int dsty,
int srcx,
int srcy,
int width,
int height)
throws GLException {
GL gl = GLU.getCurrentGL();
data.setHaveEXTABGR(gl.isExtensionAvailable("GL_EXT_abgr"));
data.setHaveGL12(gl.isExtensionAvailable("GL_VERSION_1_2"));
Buffer buffer = data.getBuffer();
if (buffer == null && data.getMipmapData() == null) {
// Assume user just wanted to get the Texture object allocated
return;
}
int rowlen = data.getRowLength();
int dataWidth = data.getWidth();
int dataHeight = data.getHeight();
if (data.getMipmapData() != null) {
// Compute the width, height and row length at the specified mipmap level
// Note we do not support specification of the row length for
// mipmapped textures at this point
for (int i = 0; i < mipmapLevel; i++) {
width = Math.max(width / 2, 1);
height = Math.max(height / 2, 1);
dataWidth = Math.max(dataWidth / 2, 1);
dataHeight = Math.max(dataHeight / 2, 1);
}
rowlen = 0;
buffer = data.getMipmapData()[mipmapLevel];
}
// Clip incoming rectangles to what is available both on this
// texture and in the incoming TextureData
if (srcx < 0) {
width += srcx;
srcx = 0;
}
if (srcy < 0) {
height += srcy;
srcy = 0;
}
// NOTE: not sure whether the following two are the correct thing to do
if (dstx < 0) {
width += dstx;
dstx = 0;
}
if (dsty < 0) {
height += dsty;
dsty = 0;
}
if (srcx + width > dataWidth) {
width = dataWidth - srcx;
}
if (srcy + height > dataHeight) {
height = dataHeight - srcy;
}
if (dstx + width > texWidth) {
width = texWidth - dstx;
}
if (dsty + height > texHeight) {
height = texHeight - dsty;
}
checkCompressedTextureExtensions(data);
if (data.isDataCompressed()) {
gl.glCompressedTexSubImage2D(
newTarget,
mipmapLevel,
dstx,
dsty,
width,
height,
data.getInternalFormat(),
buffer.remaining(),
buffer);
} else {
int[] align = new int[1];
int[] rowLength = new int[1];
int[] skipRows = new int[1];
int[] skipPixels = new int[1];
gl.glGetIntegerv(GL.GL_UNPACK_ALIGNMENT, align, 0); // save alignment
gl.glGetIntegerv(GL.GL_UNPACK_ROW_LENGTH, rowLength, 0); // save row length
gl.glGetIntegerv(GL.GL_UNPACK_SKIP_ROWS, skipRows, 0); // save skipped rows
gl.glGetIntegerv(GL.GL_UNPACK_SKIP_PIXELS, skipPixels, 0); // save skipped pixels
gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, data.getAlignment());
if (DEBUG && VERBOSE) {
System.out.println("Row length = " + rowlen);
System.out.println("skip pixels = " + srcx);
System.out.println("skip rows = " + srcy);
System.out.println("dstx = " + dstx);
System.out.println("dsty = " + dsty);
System.out.println("width = " + width);
System.out.println("height = " + height);
}
gl.glPixelStorei(GL.GL_UNPACK_ROW_LENGTH, rowlen);
gl.glPixelStorei(GL.GL_UNPACK_SKIP_ROWS, srcy);
gl.glPixelStorei(GL.GL_UNPACK_SKIP_PIXELS, srcx);
gl.glTexSubImage2D(
newTarget,
mipmapLevel,
dstx,
dsty,
width,
height,
data.getPixelFormat(),
data.getPixelType(),
buffer);
gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, align[0]); // restore alignment
gl.glPixelStorei(GL.GL_UNPACK_ROW_LENGTH, rowLength[0]); // restore row length
gl.glPixelStorei(GL.GL_UNPACK_SKIP_ROWS, skipRows[0]); // restore skipped rows
gl.glPixelStorei(GL.GL_UNPACK_SKIP_PIXELS, skipPixels[0]); // restore skipped pixels
}
}
/**
* Updates the content area of the specified target of this texture using the data in the given
* image. In general this is intended for construction of cube maps.
*
* @throws GLException if no OpenGL context was current or if any OpenGL-related errors occurred
*/
public void updateImage(TextureData data, int target) throws GLException {
GL gl = GLU.getCurrentGL();
imgWidth = data.getWidth();
imgHeight = data.getHeight();
aspectRatio = (float) imgWidth / (float) imgHeight;
mustFlipVertically = data.getMustFlipVertically();
int texTarget = 0;
int texParamTarget = this.target;
// See whether we have automatic mipmap generation support
boolean haveAutoMipmapGeneration =
(gl.isExtensionAvailable("GL_VERSION_1_4")
|| gl.isExtensionAvailable("GL_SGIS_generate_mipmap"));
// Indicate to the TextureData what functionality is available
data.setHaveEXTABGR(gl.isExtensionAvailable("GL_EXT_abgr"));
data.setHaveGL12(gl.isExtensionAvailable("GL_VERSION_1_2"));
// Note that automatic mipmap generation doesn't work for
// GL_ARB_texture_rectangle
if ((!isPowerOfTwo(imgWidth) || !isPowerOfTwo(imgHeight)) && !haveNPOT(gl)) {
haveAutoMipmapGeneration = false;
}
boolean expandingCompressedTexture = false;
if (data.getMipmap() && !haveAutoMipmapGeneration) {
// GLU always scales the texture's dimensions to be powers of
// two. It also doesn't really matter exactly what the texture
// width and height are because the texture coords are always
// between 0.0 and 1.0.
imgWidth = nextPowerOfTwo(imgWidth);
imgHeight = nextPowerOfTwo(imgHeight);
texWidth = imgWidth;
texHeight = imgHeight;
texTarget = GL.GL_TEXTURE_2D;
} else if ((isPowerOfTwo(imgWidth) && isPowerOfTwo(imgHeight)) || haveNPOT(gl)) {
if (DEBUG) {
if (isPowerOfTwo(imgWidth) && isPowerOfTwo(imgHeight)) {
System.err.println("Power-of-two texture");
} else {
System.err.println("Using GL_ARB_texture_non_power_of_two");
}
}
texWidth = imgWidth;
texHeight = imgHeight;
texTarget = GL.GL_TEXTURE_2D;
} else if (haveTexRect(gl) && !data.isDataCompressed()) {
// GL_ARB_texture_rectangle does not work for compressed textures
if (DEBUG) {
System.err.println("Using GL_ARB_texture_rectangle");
}
texWidth = imgWidth;
texHeight = imgHeight;
texTarget = GL.GL_TEXTURE_RECTANGLE_ARB;
} else {
// If we receive non-power-of-two compressed texture data and
// don't have true hardware support for compressed textures, we
// can fake this support by producing an empty "compressed"
// texture image, using glCompressedTexImage2D with that to
// allocate the texture, and glCompressedTexSubImage2D with the
// incoming data.
if (data.isDataCompressed()) {
if (data.getMipmapData() != null) {
// We don't currently support expanding of compressed,
// mipmapped non-power-of-two textures to the nearest power
// of two; the obvious port of the non-mipmapped code didn't
// work
throw new GLException(
"Mipmapped non-power-of-two compressed textures only supported on OpenGL 2.0 hardware (GL_ARB_texture_non_power_of_two)");
}
expandingCompressedTexture = true;
}
if (DEBUG) {
System.err.println("Expanding texture to power-of-two dimensions");
}
if (data.getBorder() != 0) {
throw new RuntimeException(
"Scaling up a non-power-of-two texture which has a border won't work");
}
texWidth = nextPowerOfTwo(imgWidth);
texHeight = nextPowerOfTwo(imgHeight);
texTarget = GL.GL_TEXTURE_2D;
}
texParamTarget = texTarget;
setImageSize(imgWidth, imgHeight, texTarget);
if (target != 0) {
// Allow user to override auto detection and skip bind step (for
// cubemap construction)
texTarget = target;
if (this.target == 0) {
throw new GLException("Override of target failed; no target specified yet");
}
texParamTarget = this.target;
gl.glBindTexture(texParamTarget, texID);
} else {
gl.glBindTexture(texTarget, texID);
}
if (data.getMipmap() && !haveAutoMipmapGeneration) {
int[] align = new int[1];
gl.glGetIntegerv(GL.GL_UNPACK_ALIGNMENT, align, 0); // save alignment
gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, data.getAlignment());
if (data.isDataCompressed()) {
throw new GLException("May not request mipmap generation for compressed textures");
}
try {
GLU glu = new GLU();
glu.gluBuild2DMipmaps(
texTarget,
data.getInternalFormat(),
data.getWidth(),
data.getHeight(),
data.getPixelFormat(),
data.getPixelType(),
data.getBuffer());
} finally {
gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, align[0]); // restore alignment
}
} else {
checkCompressedTextureExtensions(data);
Buffer[] mipmapData = data.getMipmapData();
if (mipmapData != null) {
int width = texWidth;
int height = texHeight;
for (int i = 0; i < mipmapData.length; i++) {
if (data.isDataCompressed()) {
// Need to use glCompressedTexImage2D directly to allocate and fill this image
// Avoid spurious memory allocation when possible
gl.glCompressedTexImage2D(
texTarget,
i,
data.getInternalFormat(),
width,
height,
data.getBorder(),
mipmapData[i].remaining(),
mipmapData[i]);
} else {
// Allocate texture image at this level
gl.glTexImage2D(
texTarget,
i,
data.getInternalFormat(),
width,
height,
data.getBorder(),
data.getPixelFormat(),
data.getPixelType(),
null);
updateSubImageImpl(data, texTarget, i, 0, 0, 0, 0, data.getWidth(), data.getHeight());
}
width = Math.max(width / 2, 1);
height = Math.max(height / 2, 1);
}
} else {
if (data.isDataCompressed()) {
if (!expandingCompressedTexture) {
// Need to use glCompressedTexImage2D directly to allocate and fill this image
// Avoid spurious memory allocation when possible
gl.glCompressedTexImage2D(
texTarget,
0,
data.getInternalFormat(),
texWidth,
texHeight,
data.getBorder(),
data.getBuffer().capacity(),
data.getBuffer());
} else {
ByteBuffer buf =
DDSImage.allocateBlankBuffer(texWidth, texHeight, data.getInternalFormat());
gl.glCompressedTexImage2D(
texTarget,
0,
data.getInternalFormat(),
texWidth,
texHeight,
data.getBorder(),
buf.capacity(),
buf);
updateSubImageImpl(data, texTarget, 0, 0, 0, 0, 0, data.getWidth(), data.getHeight());
}
} else {
if (data.getMipmap() && haveAutoMipmapGeneration) {
// For now, only use hardware mipmapping for uncompressed 2D
// textures where the user hasn't explicitly specified
// mipmap data; don't know about interactions between
// GL_GENERATE_MIPMAP and glCompressedTexImage2D
gl.glTexParameteri(texParamTarget, GL.GL_GENERATE_MIPMAP, GL.GL_TRUE);
usingAutoMipmapGeneration = true;
}
gl.glTexImage2D(
texTarget,
0,
data.getInternalFormat(),
texWidth,
texHeight,
data.getBorder(),
data.getPixelFormat(),
data.getPixelType(),
null);
updateSubImageImpl(data, texTarget, 0, 0, 0, 0, 0, data.getWidth(), data.getHeight());
}
}
}
int minFilter = (data.getMipmap() ? GL.GL_LINEAR_MIPMAP_LINEAR : GL.GL_LINEAR);
int magFilter = GL.GL_LINEAR;
int wrapMode = (gl.isExtensionAvailable("GL_VERSION_1_2") ? GL.GL_CLAMP_TO_EDGE : GL.GL_CLAMP);
// REMIND: figure out what to do for GL_TEXTURE_RECTANGLE_ARB
if (texTarget != GL.GL_TEXTURE_RECTANGLE_ARB) {
gl.glTexParameteri(texParamTarget, GL.GL_TEXTURE_MIN_FILTER, minFilter);
gl.glTexParameteri(texParamTarget, GL.GL_TEXTURE_MAG_FILTER, magFilter);
gl.glTexParameteri(texParamTarget, GL.GL_TEXTURE_WRAP_S, wrapMode);
gl.glTexParameteri(texParamTarget, GL.GL_TEXTURE_WRAP_T, wrapMode);
if (this.target == GL.GL_TEXTURE_CUBE_MAP) {
gl.glTexParameteri(texParamTarget, GL.GL_TEXTURE_WRAP_R, wrapMode);
}
}
// Don't overwrite target if we're loading e.g. faces of a cube
// map
if ((this.target == 0)
|| (this.target == GL.GL_TEXTURE_2D)
|| (this.target == GL.GL_TEXTURE_RECTANGLE_ARB)) {
this.target = texTarget;
}
// This estimate will be wrong for cube maps
estimatedMemorySize = data.getEstimatedMemorySize();
}
// All rays we deal with here are in world coordinates.
// Should take the refractive index of the material it is currently in.
DoubleColor trace(Ray ray) {
DoubleColor color = new DoubleColor(0.0, 0.0, 0.0, 1.0);
HitRecord hit = new HitRecord();
if (depth > Math.max(DEBUG_recursion, scene.maxRecursiveDepth)) return color;
double tMin = 0.0001;
double tMax = 10000000;
// Spheres only for now
for (int i = 0; i < numObjects; i++)
// Did I hit the bounding sphere for an object?
if (spheres[i].hit(ray, tMin, tMax, 0, hit))
if (scene.spheresOnly) {
for (PMesh.SurfCell s = shapes[i].surfHead; s != null; s = s.next)
for (PMesh.PolyCell poly = s.polyHead; poly != null; poly = poly.next)
// Triangles only for now
if (poly.numVerts == 3) {
Double3D v[] = new Double3D[3];
int j = 0;
for (PMesh.VertListCell vert = poly.vert; vert != null; vert = vert.next)
v[j++] = shapes[i].vertArray.get(vert.vert).viewPos;
// Increment j in the line post access
// Check for a hit on this polygon
if (Triangle.hit(v[0], v[1], v[2], ray, tMin, tMax, 0, hit)) {
tMax = hit.t;
hit.normal = poly.viewNorm;
hit.matIndex = s.material;
hit.index = i;
}
} else
System.out.println(
"Need to intersect polygon with " + poly.numVerts + " vertices.");
} else {
tMax = hit.t;
hit.matIndex = i; // May cause an error if object 10 and it only has 3 materials.
hit.index = i;
}
if (hit.index >= 0) // If it intersects then multi-sample
{
if (!sampled && depth == 0) {
// Only sample once per ray from the main loop
sampled = true;
Double3D dir = ray.dir;
DoubleColor antiAlias = trace(ray);
for (int i = 0; i < samples; i++) {
// Double3D sample = new Double3D(dir.x + imageSamples[i].x, dir.y + imageSamples[i].y,
// dir.z).getUnit();
// ray.dir = sample;
ray.dir.x = dir.x + imageSamples[i].x;
ray.dir.y = dir.y + imageSamples[i].y;
antiAlias.plus(trace(ray));
}
antiAlias.scale(1.0 / (samples + 1.0));
color.plus(antiAlias);
} else if (hit.matIndex < shapes[hit.index].materials.length)
color = shade(ray, hit, shapes[hit.index].materials[hit.matIndex], false);
else
color =
shade(
ray,
hit,
shapes[hit.index].materials[shapes[hit.index].materials.length - 1],
false);
} else // We hit nothing check for intersection with the far clip plane for checker board
// pattern.
if (scene.checkerBackground) color = shade(ray, hit, checkerBackgroundHit(ray, hit), true);
return color;
}
protected void runTestGL(
final GLCapabilities caps,
final FrameLayout frameLayout,
final boolean twoCanvas,
final boolean resizeByComp)
throws InterruptedException, InvocationTargetException {
final JFrame frame = new JFrame("Bug816: " + this.getTestMethodName());
Assert.assertNotNull(frame);
final Container framePane = frame.getContentPane();
final GLCanvas glCanvas1 = new GLCanvas(caps);
Assert.assertNotNull(glCanvas1);
final GLCanvas glCanvas2;
if (twoCanvas) {
glCanvas2 = new GLCanvas(caps);
Assert.assertNotNull(glCanvas2);
} else {
glCanvas2 = null;
}
final Dimension glcDim = new Dimension(width / 2, height);
final Dimension frameDim = new Dimension(twoCanvas ? width + 64 : width / 2 + 64, height + 64);
setComponentSize(null, glCanvas1, glcDim, glCanvas2, glcDim);
switch (frameLayout) {
case None:
{
framePane.add(glCanvas1);
}
break;
case Flow:
{
final Container c = new Container();
c.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
c.add(glCanvas1);
if (twoCanvas) {
c.add(glCanvas2);
}
framePane.add(c);
}
break;
case DoubleBorderCenterSurrounded:
{
final Container c = new Container();
c.setLayout(new BorderLayout());
c.add(new Button("north"), BorderLayout.NORTH);
c.add(new Button("south"), BorderLayout.SOUTH);
c.add(new Button("east"), BorderLayout.EAST);
c.add(new Button("west"), BorderLayout.WEST);
if (twoCanvas) {
final Container c2 = new Container();
c2.setLayout(new GridLayout(1, 2));
c2.add(glCanvas1);
c2.add(glCanvas2);
c.add(c2, BorderLayout.CENTER);
} else {
c.add(glCanvas1, BorderLayout.CENTER);
}
framePane.setLayout(new BorderLayout());
framePane.add(new Button("NORTH"), BorderLayout.NORTH);
framePane.add(new Button("SOUTH"), BorderLayout.SOUTH);
framePane.add(new Button("EAST"), BorderLayout.EAST);
framePane.add(new Button("WEST"), BorderLayout.WEST);
framePane.add(c, BorderLayout.CENTER);
}
break;
case Box:
{
final Container c = new Container();
c.setLayout(new BoxLayout(c, BoxLayout.X_AXIS));
c.add(glCanvas1);
if (twoCanvas) {
c.add(glCanvas2);
}
framePane.add(c);
}
break;
case Split:
{
final Dimension sbDim = new Dimension(16, 16);
final JScrollPane vsp =
new JScrollPane(
ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
{
final JScrollBar vsb = vsp.getVerticalScrollBar();
vsb.setPreferredSize(sbDim);
final BoundedRangeModel model = vsb.getModel();
model.setMinimum(0);
model.setMaximum(100);
model.setValue(50);
model.setExtent(1);
vsb.setEnabled(true);
}
final JScrollPane hsp =
new JScrollPane(
ScrollPaneConstants.VERTICAL_SCROLLBAR_NEVER,
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS);
{
final JScrollBar hsb = hsp.getHorizontalScrollBar();
hsb.setPreferredSize(sbDim);
final BoundedRangeModel model = hsb.getModel();
model.setMinimum(0);
model.setMaximum(100);
model.setValue(50);
model.setExtent(1);
hsb.setEnabled(true);
}
final JSplitPane horizontalSplitPane =
new JSplitPane(
JSplitPane.HORIZONTAL_SPLIT, true, twoCanvas ? glCanvas2 : vsp, glCanvas1);
horizontalSplitPane.setResizeWeight(0.5);
final JSplitPane verticalSplitPane =
new JSplitPane(JSplitPane.VERTICAL_SPLIT, true, horizontalSplitPane, hsp);
verticalSplitPane.setResizeWeight(0.5);
framePane.add(verticalSplitPane);
}
break;
}
final GearsES2 demo1 = new GearsES2(swapInterval);
glCanvas1.addGLEventListener(demo1);
if (twoCanvas) {
final RedSquareES2 demo2 = new RedSquareES2(swapInterval);
glCanvas2.addGLEventListener(demo2);
}
final Animator animator = new Animator();
animator.add(glCanvas1);
if (twoCanvas) {
animator.add(glCanvas2);
}
final QuitAdapter quitAdapter = new QuitAdapter();
new AWTWindowAdapter(new TraceWindowAdapter(quitAdapter), glCanvas1).addTo(frame);
javax.swing.SwingUtilities.invokeAndWait(
new Runnable() {
public void run() {
if (resizeByComp) {
frame.pack();
} else {
setFrameSize(frame, true, frameDim);
}
frame.setVisible(true);
}
});
Assert.assertEquals(true, AWTRobotUtil.waitForVisible(frame, true));
Assert.assertEquals(true, AWTRobotUtil.waitForRealized(glCanvas1, true));
if (twoCanvas) {
Assert.assertEquals(true, AWTRobotUtil.waitForRealized(glCanvas2, true));
}
animator.start();
Assert.assertTrue(animator.isStarted());
Assert.assertTrue(animator.isAnimating());
System.err.println(
"canvas1 pos/siz: "
+ glCanvas1.getX()
+ "/"
+ glCanvas1.getY()
+ " "
+ glCanvas1.getSurfaceWidth()
+ "x"
+ glCanvas1.getSurfaceHeight());
if (twoCanvas) {
System.err.println(
"canvas2 pos/siz: "
+ glCanvas2.getX()
+ "/"
+ glCanvas2.getY()
+ " "
+ glCanvas2.getSurfaceWidth()
+ "x"
+ glCanvas2.getSurfaceHeight());
}
Thread.sleep(Math.max(1000, duration / 2));
if (null != rwsize) {
final Dimension compRSizeHalf = new Dimension(rwsize.width / 2, rwsize.height);
final Dimension frameRSizeHalf =
new Dimension(twoCanvas ? rwsize.width + 64 : rwsize.width / 2 + 64, rwsize.height + 64);
if (resizeByComp) {
setComponentSize(frame, glCanvas1, compRSizeHalf, glCanvas2, compRSizeHalf);
} else {
setFrameSize(frame, true, frameRSizeHalf);
}
System.err.println(
"resize canvas1 pos/siz: "
+ glCanvas1.getX()
+ "/"
+ glCanvas1.getY()
+ " "
+ glCanvas1.getSurfaceWidth()
+ "x"
+ glCanvas1.getSurfaceHeight());
if (twoCanvas) {
System.err.println(
"resize canvas2 pos/siz: "
+ glCanvas2.getX()
+ "/"
+ glCanvas2.getY()
+ " "
+ glCanvas2.getSurfaceWidth()
+ "x"
+ glCanvas2.getSurfaceHeight());
}
}
final long t0 = System.currentTimeMillis();
long t1 = t0;
while (!quitAdapter.shouldQuit() && t1 - t0 < duration) {
Thread.sleep(100);
t1 = System.currentTimeMillis();
}
Assert.assertNotNull(frame);
Assert.assertNotNull(glCanvas1);
if (twoCanvas) {
Assert.assertNotNull(glCanvas2);
} else {
Assert.assertNull(glCanvas2);
}
Assert.assertNotNull(animator);
animator.stop();
Assert.assertFalse(animator.isAnimating());
Assert.assertFalse(animator.isStarted());
javax.swing.SwingUtilities.invokeAndWait(
new Runnable() {
public void run() {
frame.setVisible(false);
}
});
Assert.assertEquals(false, frame.isVisible());
javax.swing.SwingUtilities.invokeAndWait(
new Runnable() {
public void run() {
frame.remove(glCanvas1);
if (twoCanvas) {
frame.remove(glCanvas2);
}
frame.dispose();
}
});
}