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Slightly improved sparks

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This commit is contained in:
bkuker 2013-11-30 22:39:47 -05:00
parent 9069277573
commit 909a12ef15
1 changed files with 13 additions and 5 deletions
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18
swing/src/net/sf/openrocket/gui/figure3d/photo/exhaust/FlameRenderer.java
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@ -344,18 +344,26 @@ public final class FlameRenderer {
Random r = new Random(0);
float[] c = new float[4];
float[] c2 = new float[4];
convertColor(color, c);
for (int i = 0; i < 3; i++)
c[i] = c[i] * .3f + .7f;
gl.glColor4fv(c, 0);
for (int i = 0; i < 3; i++){
c[i] = c2[i] = c[i] * .2f + .8f;
}
c[3] = 1;
c2[3] = 1;
gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
gl.glEnable(GL.GL_BLEND);
gl.glLineWidth(1f);
for (int i = 0; i < 200; i++) {
final float z = 2 * (r.nextFloat() * r.nextFloat() * r.nextFloat());
final float x = z * (r.nextFloat() - 0.5f);
final float y = z * (r.nextFloat() - 0.5f);
gl.glPointSize(1);
gl.glBegin(GL.GL_POINTS);
gl.glBegin(GL.GL_LINES);
gl.glColor4fv(c, 0);
gl.glVertex3f(x, y, z * 2);
gl.glColor4fv(c2, 0);
gl.glVertex3f(x * 1.02f, y * 1.02f, z * 2 + 0.01f);
gl.glEnd();
}
}