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Created page with 'category: FSOSS 2010 PJS Examples <source lang="JavaScript"> →FSOSS 2010: boolean drawingLine = false; float lineX1; float lineY1; float lineX2; float lineY2; Array…'
[[category: FSOSS 2010 PJS Examples]]
<source lang="JavaScript">
/*
FSOSS 2010
*/
boolean drawingLine = false;
float lineX1;
float lineY1;
float lineX2;
float lineY2;
ArrayList lineCoords;
void setup(){
size(300, 300);
lineCoords = new ArrayList();
}
void draw(){
background(33, 66, 99);
for(int i = 0; i < lineCoords.size(); i += 4){
line( (Float)lineCoords.get(i),
(Float)lineCoords.get(i+1),
(Float)lineCoords.get(i+2),
(Float)lineCoords.get(i+3));
}
//
if(drawingLine){
line(lineX1, lineY1, mouseX, mouseY);
}
}
/*
Function gets called once, as soon as the
mouse button is pressed.
*/
void mousePressed(){
drawingLine = true;
lineX1 = (float) mouseX;
lineY1 = (float) mouseY;
}
/*
Function gets called once, as soon as the
mouse button is released.
*/
void mouseReleased(){
drawingLine = false;
lineCoords.add(lineX1);
lineCoords.add(lineY1);
lineCoords.add((float) mouseX);
lineCoords.add((float) mouseY);
}
</source>
[http://studio.sketchpad.cc/???? Run me]
<source lang="JavaScript">
/*
FSOSS 2010
*/
boolean drawingLine = false;
float lineX1;
float lineY1;
float lineX2;
float lineY2;
ArrayList lineCoords;
void setup(){
size(300, 300);
lineCoords = new ArrayList();
}
void draw(){
background(33, 66, 99);
for(int i = 0; i < lineCoords.size(); i += 4){
line( (Float)lineCoords.get(i),
(Float)lineCoords.get(i+1),
(Float)lineCoords.get(i+2),
(Float)lineCoords.get(i+3));
}
//
if(drawingLine){
line(lineX1, lineY1, mouseX, mouseY);
}
}
/*
Function gets called once, as soon as the
mouse button is pressed.
*/
void mousePressed(){
drawingLine = true;
lineX1 = (float) mouseX;
lineY1 = (float) mouseY;
}
/*
Function gets called once, as soon as the
mouse button is released.
*/
void mouseReleased(){
drawingLine = false;
lineCoords.add(lineX1);
lineCoords.add(lineY1);
lineCoords.add((float) mouseX);
lineCoords.add((float) mouseY);
}
</source>
[http://studio.sketchpad.cc/???? Run me]