Revision 3002bef3
Added by Leszek Koltunski over 7 years ago
| src/main/java/org/distorted/library/type/Dynamic3D.java | ||
|---|---|---|
| 45 | 45 |
float x,y,z; |
| 46 | 46 |
float vx,vy,vz; |
| 47 | 47 |
} |
| 48 |
|
|
| 49 |
private class VectorNoise |
|
| 50 |
{
|
|
| 51 |
float[] nx; |
|
| 52 |
float[] ny; |
|
| 53 |
float[] nz; |
|
| 54 |
|
|
| 55 |
VectorNoise() |
|
| 56 |
{
|
|
| 57 |
nx = new float[NUM_NOISE]; |
|
| 58 |
nx[0] = mRnd.nextFloat(); |
|
| 59 |
for(int i=1; i<NUM_NOISE; i++) nx[i] = nx[i-1]+mRnd.nextFloat(); |
|
| 60 |
float sum = nx[NUM_NOISE-1] + mRnd.nextFloat(); |
|
| 61 |
for(int i=0; i<NUM_NOISE; i++) nx[i] /=sum; |
|
| 62 |
|
|
| 63 |
ny = new float[NUM_NOISE]; |
|
| 64 |
for(int i=0; i<NUM_NOISE; i++) ny[i] = mRnd.nextFloat()-0.5f; |
|
| 65 |
|
|
| 66 |
nz = new float[NUM_NOISE]; |
|
| 67 |
for(int i=0; i<NUM_NOISE; i++) nz[i] = mRnd.nextFloat()-0.5f; |
|
| 68 |
} |
|
| 69 |
} |
|
| 70 |
|
|
| 48 |
|
|
| 71 | 49 |
private Vector<VectorCache> vc; |
| 72 | 50 |
private VectorCache tmp1, tmp2; |
| 73 | 51 |
|
| 74 | 52 |
private Vector<Static3D> vv; |
| 75 | 53 |
private Static3D prev, curr, next; |
| 76 |
|
|
| 77 |
private Vector<VectorNoise> vn; |
|
| 78 |
private VectorNoise tmpN; |
|
| 79 |
|
|
| 80 |
private float mFactor1, mFactor2; // used in Noise only. Those are noise factors; 1=noise of the (vec1X,vec1Y,vec1Z) vector; 2=noise of (vec2X,vec2Y,vec2Z) |
|
| 54 |
|
|
| 81 | 55 |
private float vec1X,vec1Y,vec1Z; // vector perpendicular to v(t) and in the same plane as v(t) and a(t) (for >2 points only, in case of 2 points this is calculated differently) |
| 82 | 56 |
private float vec2X,vec2Y,vec2Z; // vector perpendicular to v(t0 and to vec1. |
| 83 |
|
|
| 84 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 85 | 57 |
|
| 86 |
synchronized void createNoise() |
|
| 87 |
{
|
|
| 88 |
if( vn==null ) |
|
| 89 |
{
|
|
| 90 |
vn = new Vector<>(); |
|
| 91 |
for(int i=0; i<numPoints; i++) vn.add(new VectorNoise()); |
|
| 92 |
} |
|
| 93 |
} |
|
| 94 |
|
|
| 95 | 58 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
| 96 | 59 |
// no array bounds checking! |
| 97 | 60 |
|
| ... | ... | |
| 219 | 182 |
|
| 220 | 183 |
cacheDirty = false; |
| 221 | 184 |
} |
| 222 |
|
|
| 223 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
|
| 224 | 185 |
|
| 225 |
private float noise(float time,int vecNum) |
|
| 226 |
{
|
|
| 227 |
float lower, upper, len; |
|
| 228 |
float d = time*(NUM_NOISE+1); |
|
| 229 |
int index = (int)d; |
|
| 230 |
if( index>=NUM_NOISE+1 ) index=NUM_NOISE; |
|
| 231 |
tmpN = vn.elementAt(vecNum); |
|
| 232 |
|
|
| 233 |
float t = d-index; |
|
| 234 |
t = t*t*(3-2*t); |
|
| 235 |
|
|
| 236 |
switch(index) |
|
| 237 |
{
|
|
| 238 |
case 0 : mFactor1 = mNoise*tmpN.ny[0]*t; |
|
| 239 |
mFactor2 = mNoise*tmpN.nz[0]*t; |
|
| 240 |
return time + mNoise*(d*tmpN.nx[0]-time); |
|
| 241 |
case NUM_NOISE: mFactor1= mNoise*tmpN.ny[NUM_NOISE-1]*(1-t); |
|
| 242 |
mFactor2= mNoise*tmpN.nz[NUM_NOISE-1]*(1-t); |
|
| 243 |
len = ((float)NUM_NOISE)/(NUM_NOISE+1); |
|
| 244 |
lower = len + mNoise*(tmpN.nx[NUM_NOISE-1]-len); |
|
| 245 |
return (1.0f-lower)*(d-NUM_NOISE) + lower; |
|
| 246 |
default : float ya,yb; |
|
| 247 |
yb = tmpN.ny[index ]; |
|
| 248 |
ya = tmpN.ny[index-1]; |
|
| 249 |
mFactor1 = mNoise*((yb-ya)*t+ya); |
|
| 250 |
yb = tmpN.nz[index ]; |
|
| 251 |
ya = tmpN.nz[index-1]; |
|
| 252 |
mFactor2 = mNoise*((yb-ya)*t+ya); |
|
| 253 |
|
|
| 254 |
len = ((float)index)/(NUM_NOISE+1); |
|
| 255 |
lower = len + mNoise*(tmpN.nx[index-1]-len); |
|
| 256 |
len = ((float)index+1)/(NUM_NOISE+1); |
|
| 257 |
upper = len + mNoise*(tmpN.nx[index ]-len); |
|
| 258 |
|
|
| 259 |
return (upper-lower)*(d-index) + lower; |
|
| 260 |
} |
|
| 261 |
} |
|
| 262 |
|
|
| 263 | 186 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
| 264 | 187 |
// v is the speed vector (i.e. position p(t) differentiated by time) |
| 265 | 188 |
// a is the acceleration vector (differentiate once more) |
| ... | ... | |
| 350 | 273 |
*/ |
| 351 | 274 |
public Dynamic3D() |
| 352 | 275 |
{
|
| 353 |
vv = new Vector<>(); |
|
| 354 |
vc = new Vector<>(); |
|
| 355 |
vn = null; |
|
| 356 |
numPoints = 0; |
|
| 357 |
cacheDirty = false; |
|
| 358 |
mMode = MODE_LOOP; |
|
| 359 |
mDuration = 0; |
|
| 360 |
mCount = 0.5f; |
|
| 361 |
mNoise = 0.0f; |
|
| 276 |
this(0,0.5f); |
|
| 362 | 277 |
} |
| 363 | 278 |
|
| 364 | 279 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
| ... | ... | |
| 381 | 296 |
mMode = MODE_LOOP; |
| 382 | 297 |
mDuration = duration; |
| 383 | 298 |
mCount = count; |
| 299 |
mDimension = 3; |
|
| 384 | 300 |
} |
| 385 | 301 |
|
| 386 | 302 |
/////////////////////////////////////////////////////////////////////////////////////////////////// |
| ... | ... | |
| 434 | 350 |
{
|
| 435 | 351 |
vv.add(v); |
| 436 | 352 |
|
| 437 |
if( vn!=null ) vn.add(new VectorNoise()); |
|
| 353 |
if( vn!=null ) vn.add(new VectorNoise(3));
|
|
| 438 | 354 |
|
| 439 | 355 |
switch(numPoints) |
| 440 | 356 |
{
|
| ... | ... | |
| 466 | 382 |
{
|
| 467 | 383 |
vv.add(location, v); |
| 468 | 384 |
|
| 469 |
if( vn!=null ) vn.add(new VectorNoise()); |
|
| 385 |
if( vn!=null ) vn.add(new VectorNoise(3));
|
|
| 470 | 386 |
|
| 471 | 387 |
switch(numPoints) |
| 472 | 388 |
{
|
| ... | ... | |
| 609 | 525 |
{
|
| 610 | 526 |
time = noise(time,0); |
| 611 | 527 |
|
| 612 |
buffer[offset ] = (next.x-curr.x)*time + curr.x + (vec1X*mFactor1 + vec2X*mFactor2);
|
|
| 613 |
buffer[offset+1] = (next.y-curr.y)*time + curr.y + (vec1Y*mFactor1 + vec2Y*mFactor2);
|
|
| 614 |
buffer[offset+2] = (next.z-curr.z)*time + curr.z + (vec1Z*mFactor1 + vec2Z*mFactor2);
|
|
| 528 |
buffer[offset ] = (next.x-curr.x)*time + curr.x + (vec1X*mFactor[0] + vec2X*mFactor[1]);
|
|
| 529 |
buffer[offset+1] = (next.y-curr.y)*time + curr.y + (vec1Y*mFactor[0] + vec2Y*mFactor[1]);
|
|
| 530 |
buffer[offset+2] = (next.z-curr.z)*time + curr.z + (vec1Z*mFactor[0] + vec2Z*mFactor[1]);
|
|
| 615 | 531 |
} |
| 616 | 532 |
else |
| 617 | 533 |
{
|
| ... | ... | |
| 670 | 586 |
|
| 671 | 587 |
setUpVectors(time,tmp1); |
| 672 | 588 |
|
| 673 |
buffer[offset ]= ((tmp1.ax*time+tmp1.bx)*time+tmp1.cx)*time+tmp1.dx + (vec1X*mFactor1 + vec2X*mFactor2);
|
|
| 674 |
buffer[offset+1]= ((tmp1.ay*time+tmp1.by)*time+tmp1.cy)*time+tmp1.dy + (vec1Y*mFactor1 + vec2Y*mFactor2);
|
|
| 675 |
buffer[offset+2]= ((tmp1.az*time+tmp1.bz)*time+tmp1.cz)*time+tmp1.dz + (vec1Z*mFactor1 + vec2Z*mFactor2);
|
|
| 589 |
buffer[offset ]= ((tmp1.ax*time+tmp1.bx)*time+tmp1.cx)*time+tmp1.dx + (vec1X*mFactor[0] + vec2X*mFactor[1]);
|
|
| 590 |
buffer[offset+1]= ((tmp1.ay*time+tmp1.by)*time+tmp1.cy)*time+tmp1.dy + (vec1Y*mFactor[0] + vec2Y*mFactor[1]);
|
|
| 591 |
buffer[offset+2]= ((tmp1.az*time+tmp1.bz)*time+tmp1.cz)*time+tmp1.dz + (vec1Z*mFactor[0] + vec2Z*mFactor[1]);
|
|
| 676 | 592 |
} |
| 677 | 593 |
else |
| 678 | 594 |
{
|
Also available in: Unified diff
Move most of the NOISE complications from DynamicND classes to the parent Dynamic class.