Color Percentage
in
Programming Questions
•
1 years ago
Hello,
I want to change my particles color according to a percentage value.
For instance
10 % white
60%Green
30%blue.
I am not sure how I can do that. Can someone bring me to the right direction ?
Thanks.
This is what i have so far.
I want to change my particles color according to a percentage value.
For instance
10 % white
60%Green
30%blue.
I am not sure how I can do that. Can someone bring me to the right direction ?
Thanks.
This is what i have so far.
- int ballWhite = 10;
int ballGreen = 75;
int ballBlue = 15;
int ballSpawn; //counting variable for array
int ballMax;
ball[] balls; //array containing the balls
boolean collision = false; //toggles edge collision of type 1 balls
boolean maxBallsReached = false;
float bounciness = 2.05; // edit for more or less bounce, default .35
void setup() {
size(640, 480, P2D);
background(0, 0, 0);
ballSpawn=0;
noStroke();
//fill(250, 255,2, 255);
ballMax = 200;
balls = new ball[ballMax+20];
smooth();
//fill(col[(random(0,2))]);
ellipse(width/2,height/2,10,10);
}
void draw() {
//println(frameRate);
if (ballSpawn > ballMax) {
if (maxBallsReached == false) {
maxBallsReached = true;
}
ballSpawn = 0;
}
int c = int(random(0,3));
//Size
int s = int(random(2,50));
//Velocity
float mX = random(-250,250);
float mY = random(-20,00)-3;
balls[ballSpawn+1] = new ball(1, s, c , 320, 0, mX, mY);
ballSpawn++;
// }
//this redraws the frame with all spawned balls.
if (maxBallsReached == false){
background(0, 0, 0);
for(int i=ballSpawn; i>0; i--){
balls[i].ballUpdate();
balls[i].ballMove();
}
}
else{
background(0, 0, 0);
for(int i=ballMax; i>0; i--){
balls[i].ballUpdate();
balls[i].ballMove();
}
}
}
class ball {
float dim; //diameter
float speedX = 0; //horizontal speed in px per second
float speedY = 0; //vertical speed in px per second
color col; //color
float xpos; //horizontal position
float ypos; //vertical position
float age; //age in seconds
int ttl; //for collision; times bounced
int type; //for different types of ball, currently right or left click
int fade = 255; //transparency
float fadeSpeed = 0.05; //fade speed
color[] myColors = {#ffffff, #009aff, #30ff00};
int colorID;
ball(int itype, float idim, color icolw, float ixpos, float iypos, float ispeedX, float ispeedY) {
dim = idim;
colorID = icolw;
xpos = ixpos;
ypos = iypos;
speedX = ispeedX;
speedY = ispeedY-10;
age = 0;
ttl = 15;
type = itype;
}
void ballMove() { // moves the ball according to new variables
xpos += speedX/frameRate;
ypos = ypos + (speedY/frameRate);
age = age+(1/frameRate);
}
void ballUpdate() { // calculates new variables (such as speed, size, etc.)
// ----------------- TYPE 1
if(fade==0){} //increases performance of type 2 by ceasing calculation, but doesn't get rid of the balls themselves
else if(ttl==0) {} //increases performance of type 1 balls when colliding by the same method
else if(xpos + dim < 0 || xpos-dim > width || ypos-dim >height) {} // and the same for type non-colliding.
else if(type==1){
if(age <=4/30){
dim = dim+age*0.5;
}
else if(age <= 8/30 && age >= 5/30){
dim = dim+age*0.2;
}
fill (myColors[colorID]);
ellipse(xpos, ypos, dim, dim);
speedY = speedY+5;
// edge collision detection
}
}
}
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