opelly/Java-N-Body-Simulation
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opelly27
2021-09-07 22:42:34 -07:00
parent 4d625f36c4
commit 185ac15f1e
8 changed files with 99 additions and 33 deletions
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Space.java
+36 -19
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@@ -8,9 +8,9 @@ import java.awt.Graphics2D;
// ffmpeg -framerate 60 -start_number 1 -i %00d.png -pix_fmt yuv420p out.mp4
// TODO Add circle render method
// TODO Fix random generation of bodies
// TODO Find good timeslice for annimation
// TODO add out of bounds check to setPixel method
public class Space {
@@ -69,12 +69,21 @@ public class Space {
Canvas canvas = new Canvas( (int) this.height, (int) this.width, 255,255,255,255);
for(int i = 0; i < this.bodies.length; i ++){
if(i ==0){
canvas.drawSquare(10, (int) this.bodies[i].getXpos(), (int) this.bodies[i].getYpos(), 255, 255, 255, 255);
canvas.drawCircle(10, (int) this.bodies[i].getXpos(), (int) this.bodies[i].getYpos(), 255, 255, 255, 255);
}
else{
canvas.drawSquare(2, (int) this.bodies[i].getXpos(), (int) this.bodies[i].getYpos(), 255, 255, 255, 255);
int r = this.bodies[i].getR();
int g = this.bodies[i].getG();
int b = this.bodies[i].getB();
int x = (int) (this.bodies[i].getXpos());
int y = (int) (this.bodies[i].getYpos());
canvas.drawSquare(5,x, y, r, g, b, 255);
}
}
File f = null;
@@ -90,26 +99,34 @@ public class Space {
public static void main(String args[]){
Body[] bodies = new Body[1000];
bodies[0] = new Body(2000000, 540, 360, 0, 0);
// bodies[1] = new Body(2, 500, 400, 0, -.5);
// bodies[2] = new Body(2, 200, 400, 0, .5);
// bodies[3] = new Body(2, 200, 500, .5, 0);
// bodies[4] = new Body(2, 200, 200, -.5, 0);
// bodies[5] = new Body(2, 150, 150, -.5, .2);
// bodies[6] = new Body(2, 300, 300, -.5, 0);
// bodies[7] = new Body(2, 450, 450, -.5, -.3);
// bodies[8] = new Body(2, 225, 556, -.5, -.5);
Body[] bodies = new Body[14];
bodies[0] = new Body(20000000, 960, 540, 0, 0);
bodies[1] = new Body(2, 960, 520, .5, .0);
bodies[2] = new Body(2, 960, 240, -.5, 0);
bodies[3] = new Body(2, 200, 540, 0, .5);
bodies[4] = new Body(2, 750, 540, 0, -.5);
for(int i = 1; i < 1000; i ++){
bodies[5] = new Body(2, 700, 540, 0, -.5);
bodies[6] = new Body(2, 640, 540, 0, -.5);
bodies[7] = new Body(2, 800, 540, 0, -.5);
bodies[8] = new Body(2, 100, 540, 0, -.5);
bodies[9] = new Body(2, 50, 540, 0, -.5);
bodies[10] = new Body(2, 960, 100, -.5, 0);
bodies[11] = new Body(2, 960, 300, -.5, 0);
bodies[12] = new Body(2, 960, 800, -.5, 0);
bodies[13] = new Body(2, 960, 600, -.5, 0);
bodies[i] = new Body(2, Math.random() * 800, Math.random() * 650, Math.random() - 1, Math.random() -1);
}
// for(int i = 1; i < 1000; i ++){
Space space = new Space(bodies, 1080, 720, 3);
// bodies[i] = new Body(2, Math.random() * 1080, Math.random() * 720, Math.random() -.5, Math.random() -.5);
// }
Space space = new Space(bodies, 1920, 1080, 1);
int counter = 0;
for(int i = 0; i < 5000; i ++){
for(int i = 0; i < 50000000; i ++){
space.updateForces();
space.updateVelocities();
space.updatePositions();