public void clearColorBuffer(int color) {
float r, g, b, a;
int ir, ig, ib, ia;
ia = (color >> 24) & 0xff;
ir = (color >> 16) & 0xff;
ig = (color >> 8) & 0xff;
ib = color & 0xff;
a = ia / 255.0f;
r = ir / 255.0f;
g = ig / 255.0f;
b = ib / 255.0f;
gl.glClearColor(r, g, b, a);
gl.glClear(GL.GL_COLOR_BUFFER_BIT);
}
public void clearTex(int glid, int target, int color) {
float r, g, b, a;
int ir, ig, ib, ia;
ia = (color >> 24) & 0xff;
ir = (color >> 16) & 0xff;
ig = (color >> 8) & 0xff;
ib = color & 0xff;
a = ia / 255.0f;
r = ir / 255.0f;
g = ig / 255.0f;
b = ib / 255.0f;
pushFramebuffer();
setFramebuffer(FBO);
FBO.setDrawBuffer(target, glid);
gl.glClearColor(r, g, b, a);
gl.glClear(GL.GL_COLOR_BUFFER_BIT);
popFramebuffer();
}
private void renderOneside(Point2D a, Point2D b, GL gl, double d) {
gl.glClear(0);
Vector3D t = new Vector3D(b.x - a.x, 0, b.y - a.y);
Vector3D n = new Vector3D(0, 1, 0);
Vector3D cross = n.cross(t);
gl.glNormal3d(cross.x, cross.y, cross.z);
// Texture adjustment vars
double length =
scale * Math.sqrt((a.x - b.x) * (a.x - b.x) + (a.y - b.y) * (a.y - b.y)) / 100 + 0.1;
double height = scale;
// draw the 4 points of it
gl.glBegin(GL.GL_POLYGON);
gl.glTexCoord2d(0, 0);
gl.glVertex3d(a.x, d, a.y);
gl.glTexCoord2d(0, height);
gl.glVertex3d(a.x, d + 100, a.y);
gl.glTexCoord2d(length, height);
gl.glVertex3d(b.x, d + 100, b.y);
gl.glTexCoord2d(length, 0);
gl.glVertex3d(b.x, d, b.y);
gl.glEnd();
}