Replacing heading2D with heading for all general examples. Issue #1627

This commit is contained in:
Yong Bakos
2013-02-14 15:09:27 -07:00
parent 168f840491
commit 4ff94a3f16
5 changed files with 24 additions and 24 deletions

View File

@@ -68,10 +68,10 @@ class Boid {
steer.limit(maxforce); // Limit to maximum steering force
return steer;
}
void render() {
// Draw a triangle rotated in the direction of velocity
float theta = velocity.heading2D() + radians(90);
float theta = velocity.heading() + radians(90);
fill(200,100);
stroke(255);
pushMatrix();

View File

@@ -1,14 +1,14 @@
/**
* Smoke Particle System
* by Daniel Shiffman.
*
* A basic smoke effect using a particle system. Each particle
* is rendered as an alpha masked image.
* by Daniel Shiffman.
*
* A basic smoke effect using a particle system. Each particle
* is rendered as an alpha masked image.
*/
// @pjs preload must be used to preload media if the program is
// @pjs preload must be used to preload media if the program is
// running with Processing.js
/* @pjs preload="texture.png"; */
/* @pjs preload="texture.png"; */
ParticleSystem ps;
Random generator;
@@ -23,7 +23,7 @@ void setup() {
void draw() {
background(0);
// Calculate a "wind" force based on mouse horizontal position
float dx = map(mouseX,0,width,-0.2,0.2);
PVector wind = new PVector(dx,0);
@@ -32,7 +32,7 @@ void draw() {
for (int i = 0; i < 2; i++) {
ps.addParticle();
}
// Draw an arrow representing the wind force
drawVector(wind, new PVector(width/2,50,0),500);
@@ -46,7 +46,7 @@ void drawVector(PVector v, PVector loc, float scayl) {
translate(loc.x,loc.y);
stroke(255);
// Call vector heading function to get direction (note that pointing up is a heading of 0) and rotate
rotate(v.heading2D());
rotate(v.heading());
// Calculate length of vector & scale it to be bigger or smaller if necessary
float len = v.mag()*scayl;
// Draw three lines to make an arrow (draw pointing up since we've rotate to the proper direction)