Removing some examples

This commit is contained in:
Casey Reas
2011-09-06 03:51:23 +00:00
parent 5e0e9eaedc
commit 68c460be7d
30 changed files with 76 additions and 1215 deletions

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@@ -1,208 +0,0 @@
/**
* Fluid
* by Glen Murphy.
*
* Click and drag the mouse to move the simulated fluid.
* Adjust the "res" variable below to change resolution.
* Code has not been optimised, and will run fairly slowly.
*/
int res = 2;
int penSize = 30;
int lwidth;
int lheight;
int pnum = 30000;
vsquare[][] v;
vbuffer[][] vbuf;
particle[] p = new particle[pnum];
int pcount = 0;
int mouseXvel = 0;
int mouseYvel = 0;
void setup()
{
size(200, 200);
noStroke();
frameRate(30);
lwidth = width/res;
lheight = height/res;
v = new vsquare[lwidth+1][lheight+1];
vbuf = new vbuffer[lwidth+1][lheight+1];
for (int i = 0; i < pnum; i++) {
p[i] = new particle(random(res,width-res),random(res,height-res));
}
for (int i = 0; i <= lwidth; i++) {
for (int u = 0; u <= lheight; u++) {
v[i][u] = new vsquare(i*res,u*res);
vbuf[i][u] = new vbuffer(i*res,u*res);
}
}
}
void draw()
{
background(#666666);
int axvel = mouseX-pmouseX;
int ayvel = mouseY-pmouseY;
mouseXvel = (axvel != mouseXvel) ? axvel : 0;
mouseYvel = (ayvel != mouseYvel) ? ayvel : 0;
for (int i = 0; i < lwidth; i++) {
for (int u = 0; u < lheight; u++) {
vbuf[i][u].updatebuf(i,u);
v[i][u].col = 32;
}
}
for (int i = 0; i < pnum-1; i++) {
p[i].updatepos();
}
for (int i = 0; i < lwidth; i++) {
for (int u = 0; u < lheight; u++) {
v[i][u].addbuffer(i, u);
v[i][u].updatevels(mouseXvel, mouseYvel);
v[i][u].display(i, u);
}
}
}
class particle {
float x;
float y;
float xvel;
float yvel;
int pos;
particle(float xIn, float yIn) {
x = xIn;
y = yIn;
}
void updatepos() {
float col1;
if (x > 0 && x < width && y > 0 && y < height) {
int vi = (int)(x/res);
int vu = (int)(y/res);
vsquare o = v[vi][vu];
float ax = (x%res)/res;
float ay = (y%res)/res;
xvel += (1-ax)*v[vi][vu].xvel*0.05;
yvel += (1-ay)*v[vi][vu].yvel*0.05;
xvel += ax*v[vi+1][vu].xvel*0.05;
yvel += ax*v[vi+1][vu].yvel*0.05;
xvel += ay*v[vi][vu+1].xvel*0.05;
yvel += ay*v[vi][vu+1].yvel*0.05;
o.col += 4;
x += xvel;
y += yvel;
}
else {
x = random(0,width);
y = random(0,height);
xvel = 0;
yvel = 0;
}
xvel *= 0.5;
yvel *= 0.5;
}
}
class vbuffer {
int x;
int y;
float xvel;
float yvel;
float pressurex = 0;
float pressurey = 0;
float pressure = 0;
vbuffer(int xIn,int yIn) {
x = xIn;
y = yIn;
pressurex = 0;
pressurey = 0;
}
void updatebuf(int i, int u) {
if (i>0 && i<lwidth && u>0 && u<lheight) {
pressurex = (v[i-1][u-1].xvel*0.5 + v[i-1][u].xvel + v[i-1][u+1].xvel*0.5 - v[i+1][u-1].xvel*0.5 - v[i+1][u].xvel - v[i+1][u+1].xvel*0.5);
pressurey = (v[i-1][u-1].yvel*0.5 + v[i][u-1].yvel + v[i+1][u-1].yvel*0.5 - v[i-1][u+1].yvel*0.5 - v[i][u+1].yvel - v[i+1][u+1].yvel*0.5);
pressure = (pressurex + pressurey)*0.25;
}
}
}
class vsquare {
int x;
int y;
float xvel;
float yvel;
float col;
vsquare(int xIn,int yIn) {
x = xIn;
y = yIn;
}
void addbuffer(int i, int u) {
if (i>0 && i<lwidth && u>0 && u<lheight) {
xvel += (vbuf[i-1][u-1].pressure*0.5
+vbuf[i-1][u].pressure
+vbuf[i-1][u+1].pressure*0.5
-vbuf[i+1][u-1].pressure*0.5
-vbuf[i+1][u].pressure
-vbuf[i+1][u+1].pressure*0.5
)*0.25;
yvel += (vbuf[i-1][u-1].pressure*0.5
+vbuf[i][u-1].pressure
+vbuf[i+1][u-1].pressure*0.5
-vbuf[i-1][u+1].pressure*0.5
-vbuf[i][u+1].pressure
-vbuf[i+1][u+1].pressure*0.5
)*0.25;
}
}
void updatevels(int mvelX, int mvelY) {
if (mousePressed) {
float adj = x - mouseX;
float opp = y - mouseY;
float dist = sqrt(opp*opp + adj*adj);
if (dist < penSize) {
if (dist < 4) dist = penSize;
float mod = penSize/dist;
xvel += mvelX*mod;
yvel += mvelY*mod;
}
}
xvel *= 0.99;
yvel *= 0.99;
}
void display(int i, int u) {
float tcol = 0;
if (col > 255) col = 255;
if (i>0 && i<lwidth-1 && u>0 && u<lheight-1) {
tcol = (+ v[i][u+1].col
+ v[i+1][u].col
+ v[i+1][u+1].col*0.5
)*0.4;
tcol = (int)(tcol+col*0.5);
}
else {
tcol = (int)col;
}
fill(tcol, tcol, tcol);
rect(x,y,res,res);
}
}

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@@ -1,264 +0,0 @@
/**
* Smoke
* by Glen Murphy.
*
* Drag the mouse across the image to move the particles.
* Code has not been optimised and will run fairly slowly.
*/
int res = 2;
int penSize = 30;
int lwidth;
int lheight;
int pnum = 30000;
vsquare[][] v;
vbuffer[][] vbuf;
particle[] p;
int pcount = 0;
int mouseXvel = 0;
int mouseYvel = 0;
int randomGust = 0;
int randomGustMax;
float randomGustX;
float randomGustY;
float randomGustSize;
float randomGustXvel;
float randomGustYvel;
void setup()
{
size(200, 200);
lwidth = width/res;
lheight = height/res;
v = new vsquare[lwidth+1][lheight+1];
vbuf = new vbuffer[lwidth+1][lheight+1];
p = new particle[pnum];
noStroke();
for(int i = 0; i < pnum; i++) {
p[i] = new particle(random(width/2-20,width/2+20),random(height-20,height));
}
for(int i = 0; i <= lwidth; i++) {
for(int u = 0; u <= lheight; u++) {
v[i][u] = new vsquare(i*res,u*res);
vbuf[i][u] = new vbuffer(i*res,u*res);
}
}
}
void draw()
{
background(#cccccc);
int axvel = mouseX-pmouseX;
int ayvel = mouseY-pmouseY;
mouseXvel = (axvel != mouseXvel) ? axvel : 0;
mouseYvel = (ayvel != mouseYvel) ? ayvel : 0;
if(randomGust <= 0) {
if(random(0,10)<1) {
randomGustMax = (int)random(5,12);
randomGust = randomGustMax;
randomGustX = random(0,width);
randomGustY = random(0,height-10);
randomGustSize = random(0,50);
if(randomGustX > width/2) {
randomGustXvel = random(-8,0);
} else {
randomGustXvel = random(0,8);
}
randomGustYvel = random(-2,1);
}
randomGust--;
}
for(int i = 0; i < lwidth; i++) {
for(int u = 0; u < lheight; u++) {
vbuf[i][u].updatebuf(i,u);
v[i][u].col = 0;
}
}
for(int i = 0; i < pnum-1; i++) {
p[i].updatepos();
}
for(int i = 0; i < lwidth; i++) {
for(int u = 0; u < lheight; u++) {
v[i][u].addbuffer(i, u);
v[i][u].updatevels(mouseXvel, mouseYvel);
v[i][u].display(i, u);
}
}
randomGust = 0;
}
class particle
{
float x;
float y;
float xvel;
float yvel;
float temp;
int pos;
particle(float xIn, float yIn) {
x = xIn;
y = yIn;
}
void reposition() {
x = width/2+random(-20,20);
y = random(height-10,height);
xvel = random(-1,1);
yvel = random(-1,1);
}
void updatepos() {
int vi = (int)(x/res);
int vu = (int)(y/res);
if(vi > 0 && vi < lwidth && vu > 0 && vu < lheight) {
v[vi][vu].addcolour(2);
float ax = (x%res)/res;
float ay = (y%res)/res;
xvel += (1-ax)*v[vi][vu].xvel*0.05;
yvel += (1-ay)*v[vi][vu].yvel*0.05;
xvel += ax*v[vi+1][vu].xvel*0.05;
yvel += ax*v[vi+1][vu].yvel*0.05;
xvel += ay*v[vi][vu+1].xvel*0.05;
yvel += ay*v[vi][vu+1].yvel*0.05;
v[vi][vu].yvel -= (1-ay)*0.003;
v[vi+1][vu].yvel -= ax*0.003;
if(v[vi][vu].yvel < 0) v[vi][vu].yvel *= 1.00025;
x += xvel;
y += yvel;
}
else {
reposition();
}
if(random(0,400) < 1) {
reposition();
}
xvel *= 0.6;
yvel *= 0.6;
}
}
class vbuffer
{
int x;
int y;
float xvel;
float yvel;
float pressurex = 0;
float pressurey = 0;
float pressure = 0;
vbuffer(int xIn,int yIn) {
x = xIn;
y = yIn;
pressurex = 0;
pressurey = 0;
}
void updatebuf(int i, int u) {
if(i>0 && i<lwidth && u>0 && u<lheight) {
pressurex = (v[i-1][u-1].xvel*0.5 + v[i-1][u].xvel + v[i-1][u+1].xvel*0.5 - v[i+1][u-1].xvel*0.5 - v[i+1][u].xvel - v[i+1][u+1].xvel*0.5);
pressurey = (v[i-1][u-1].yvel*0.5 + v[i][u-1].yvel + v[i+1][u-1].yvel*0.5 - v[i-1][u+1].yvel*0.5 - v[i][u+1].yvel - v[i+1][u+1].yvel*0.5);
pressure = (pressurex + pressurey)*0.25;
}
}
}
class vsquare {
int x;
int y;
float xvel;
float yvel;
float col;
vsquare(int xIn,int yIn) {
x = xIn;
y = yIn;
}
void addbuffer(int i, int u) {
if(i>0 && i<lwidth && u>0 && u<lheight) {
xvel += (vbuf[i-1][u-1].pressure*0.5
+vbuf[i-1][u].pressure
+vbuf[i-1][u+1].pressure*0.5
-vbuf[i+1][u-1].pressure*0.5
-vbuf[i+1][u].pressure
-vbuf[i+1][u+1].pressure*0.5
)*0.49;
yvel += (vbuf[i-1][u-1].pressure*0.5
+vbuf[i][u-1].pressure
+vbuf[i+1][u-1].pressure*0.5
-vbuf[i-1][u+1].pressure*0.5
-vbuf[i][u+1].pressure
-vbuf[i+1][u+1].pressure*0.5
)*0.49;
}
}
void updatevels(int mvelX, int mvelY) {
float adj;
float opp;
float dist;
float mod;
if(mousePressed) {
adj = x - mouseX;
opp = y - mouseY;
dist = sqrt(opp*opp + adj*adj);
if(dist < penSize) {
if(dist < 4) dist = penSize;
mod = penSize/dist;
xvel += mvelX*mod;
yvel += mvelY*mod;
}
}
if(randomGust > 0) {
adj = x - randomGustX;
opp = y - randomGustY;
dist = sqrt(opp*opp + adj*adj);
if(dist < randomGustSize) {
if(dist < res*2) dist = randomGustSize;
mod = randomGustSize/dist;
xvel += (randomGustMax-randomGust)*randomGustXvel*mod;
yvel += (randomGustMax-randomGust)*randomGustYvel*mod;
}
}
xvel *= 0.99;
yvel *= 0.98;
}
void addcolour(int amt) {
col += amt;
if(col > 196) col = 196;
}
void display(int i, int u) {
float tcol = 0;
if(i>0 && i<lwidth-1 && u>0 && u<lheight-1) {
tcol = (+ v[i][u+1].col
+ v[i+1][u].col
+ v[i+1][u+1].col*0.5
)*0.3;
tcol = (int)(tcol+col*0.5);
}
fill(255-tcol, 255-tcol, 255-tcol);
rect(x,y,res,res);
col = 0;
}
}