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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Canvas.java
+23 -13
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@@ -14,18 +14,13 @@ public class Canvas {
public static void main(String[] args){
Canvas test = new Canvas(500, 500, 255, 255, 255, 255);
int radius = 100;
int radius = 5;
int x = 250;
int y = 250;
int a = 255;
for(int i = 0; i < 50000; i++){
int r = (int) (Math.random() * 256);
int g = (int) (Math.random() * 256);
int b = (int) (Math.random() * 256);
test.drawSquare(radius, x, y, r, g, b, a);
test.display();
}
test.drawCircle(x, y, radius, 255, 255, 255, 255);
test.display();
}
public Canvas(int height, int width, int r, int g, int b, int a){
@@ -50,14 +45,17 @@ public class Canvas {
}
public void setPixel(int x, int y, int r, int g, int b, int a){
int p = (a<<24) | (r<<16) | (g<<8) | b;
this.image.setRGB(x, y, p);
if(x < 0 || y < 0 || y >= this.width || x >= this.height){
return;
}
else{
int p = (a<<24) | (r<<16) | (g<<8) | b;
this.image.setRGB(x, y, p);
}
}
public void drawSquare(int radius, int x, int y, int r, int g, int b, int a){
if(x > this.height -15 || x < 15 || y > this.width - 15 || y < 15){
return;
}
for(int sign = 0; sign < 4; sign ++){
for(int offsetY = 0; offsetY < radius; offsetY ++){
for(int offsetX = 0; offsetX < radius; offsetX ++ ){
@@ -77,4 +75,16 @@ public class Canvas {
}
}
}
public void drawCircle(int radius, int x, int y, int r, int g, int b, int a){
double i, angle, x1, y1;
for(i = 0; i < 360; i += 0.1)
{
angle = i;
x1 = radius * Math.cos(angle * Math.PI / 180);
y1 = radius * Math.sin(angle * Math.PI / 180);
this.setPixel((int)(x + x1), (int)(y + y1), 255,255,255,255);
}
}
}