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splinePainter.pde
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splinePainter.pde
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int noWalkers = 1000;
int size = 700;
int minSplineLength = size/50;
int maxSplineLength = size/5;
int numBrushes = 7;
float rotation = PI/8;
int TRIANGLE_SCALE = 0;
int RAMP_SCALE = 1;
int currentBrushCombo;
int numSymmetry;
int circleBrushSize;
int scaleType;
Maxim maxim;
HarpPlayer harp;
SplineWalker[] sw = new SplineWalker[noWalkers];
ChainedBrush prevBrush;
PVector splineDir;
int newSplineCounter;
color backGroundColor;
color stokeColor;
void setup()
{
size(size, size);
noStroke();
noFill();
//frameRate(30);
rectMode(CENTER);
colorMode(HSB);
maxim = new Maxim(this);
harp = new HarpPlayer();
for (int i = 0; i < noWalkers; i++)
{
sw[i] = new SplineWalker(harp);
}
splineDir = PVector.random2D();
newSplineCounter = 0;
currentBrushCombo = getRandomBrush();
numSymmetry = getRandomSymmetryCount();
circleBrushSize = getRandomCircleBrushSize();
backGroundColor = color(255);
stokeColor = color(0);
background(backGroundColor);
}
void draw()
{
for (int i = 0; i < noWalkers; i++)
{
if (sw[i].active)
{
stroke(red(stokeColor), green(stokeColor), blue(stokeColor), mapAlpha(sw[i].t));
sw[i].draw();
}
}
}
void mouseDragged()
{
float speed = dist(pmouseX, pmouseY, mouseX, mouseY);
if (speed>2)
{
PVector mouseDir = new PVector(mouseX-pmouseX, mouseY-pmouseY);
splineDir = mouseDir;
} else
{
splineDir.rotate(random(0, rotation));
}
float splineLength = map(speed, 0, 10, minSplineLength, maxSplineLength);
switch(currentBrushCombo) {
case 0:
ChainedBrush curBrush = new ChainedBrush(prevBrush);
prevBrush = curBrush;
sw[newSplineCounter].startWalking(mouseX, mouseY, splineDir, splineLength, new CircleSymmetryBrush(curBrush, numSymmetry));
break;
case 1:
sw[newSplineCounter].startWalking(mouseX, mouseY, splineDir, splineLength, new CircleSymmetryBrush(new ScaleBrush(new CircleBrush(5), scaleType), numSymmetry));
break;
case 2:
sw[newSplineCounter].startWalking(mouseX, mouseY, splineDir, splineLength, new CircleSymmetryBrush(new ScaleBrush(new CircleBrush(speed*5), scaleType), numSymmetry));
break;
case 3:
sw[newSplineCounter].startWalking(mouseX, mouseY, splineDir, splineLength, new CircleSymmetryBrush(new ConnectPrevLocationLineBrush(), numSymmetry));
break;
case 4:
sw[newSplineCounter].startWalking(mouseX, mouseY, splineDir, splineLength, new CircleSymmetryBrush(new SquareBrush(speed*5), numSymmetry));
break;
case 5:
sw[newSplineCounter].startWalking(mouseX, mouseY, splineDir, splineLength, new CircleSymmetryBrush(new ScaleBrush(new SquareBrush(speed*5), scaleType), numSymmetry));
break;
case 6:
sw[newSplineCounter].startWalking(mouseX, mouseY, splineDir, splineLength, new CircleSymmetryBrush(new ScaleBrush(new SplatterBrush(speed*10), RAMP_SCALE), numSymmetry));
break;
default:
print("ERROR currentBrushCombo out of range");
}
newSplineCounter+=1;
if (newSplineCounter >= noWalkers)
{
newSplineCounter = 0;
}
}
void mousePressed()
{
harp.setSpeed(random(0.5, 2));
if (mouseButton == CENTER)
{
backGroundColor = color(random(255), random(0,150),random(125,255));
stokeColor = getInverseColor(backGroundColor);
}
if (mouseButton == RIGHT || mouseButton == CENTER)
{
background(backGroundColor);
currentBrushCombo = getRandomBrush();
numSymmetry = getRandomSymmetryCount();
circleBrushSize = getRandomCircleBrushSize();
scaleType = getRandomScaleType();
}
}
float mapAlpha(float t)
{
float baseAplha = 20;
if (t<0.75)
return map(t, 0, 0.75, baseAplha/20.0, baseAplha);
return map(t, 0.75, 1, baseAplha, 1);
}
void keyPressed()
{
if (key == 's')
{
saveFrame();
}
}
int getRandomBrush()
{
return int(random(0, numBrushes));
//return 6;
}
int getRandomSymmetryCount()
{
return int(random(1, 10));
}
int getRandomCircleBrushSize()
{
return int(random(3, 15));
}
int getRandomScaleType()
{
if (random(2) > 1)
return RAMP_SCALE;
else
return TRIANGLE_SCALE;
}
color getInverseColor(color in)
{
return color(255-red(in), 255-green(in), 255-blue(in));
}