/// <summary>
/// Draws a border around a sphere of the given dimensions
/// </summary>
/// <param name="height"></param>
/// <param name="radius"></param>
/// <param name="segs"></param>
/// <param name="thickness"></param>
public static void DrawCylinderBorder(float height, float radius, int segs, float thickness)
{
OpenTK.Math.Vector4 innerCol = new OpenTK.Math.Vector4(0.3f, 0.3f, 0.3f, 0.6f);
OpenTK.Math.Vector4 outerCol = new OpenTK.Math.Vector4(0.3f, 0.3f, 0.3f, 0.0f);
GL.Disable(EnableCap.CullFace);
// GLDrawHelper.DrawShadedDisk(radius,radius * 1.05f,segs,innerCol,outerCol);
GL.PushMatrix();
GL.Translate(0.0f, 0.0f, height/2);
GLDrawHelper.DrawShadedDisk(radius, radius + thickness, segs, innerCol, outerCol);
GL.PopMatrix();
GL.Begin(BeginMode.Quads);
//left line
GL.Color4(innerCol);
GL.Vertex3(-radius, 0, 0);
GL.Vertex3(-radius, 0, height);
GL.Color4(outerCol);
GL.Vertex3(-radius - thickness, 0, height);
GL.Vertex3(-radius - thickness, 0, 0);
//right line
GL.Color4(innerCol);
GL.Vertex3(radius, 0, 0);
GL.Vertex3(radius, 0, height);
GL.Color4(outerCol);
GL.Vertex3(radius + thickness, 0, height);
GL.Vertex3(radius + thickness, 0, 0);
//top line
GL.Color4(innerCol);
GL.Vertex3(-radius, 0, height);
GL.Vertex3(radius, 0, height);
GL.Color4(outerCol);
GL.Vertex3(radius, 0, height + thickness);
GL.Vertex3(-radius, 0, height + thickness);
//Bottom line
GL.Color4(innerCol);
GL.Vertex3(-radius, 0, 0);
GL.Vertex3(radius, 0, 0);
GL.Color4(outerCol);
GL.Vertex3(radius, 0, - thickness);
GL.Vertex3(-radius, 0, - thickness);
GL.End();
//corner pieces
GL.Begin(BeginMode.Triangles);
//left top
GL.Color4(innerCol);
GL.Vertex3(-radius, 0, height);
GL.Color4(outerCol);
GL.Vertex3(-radius - thickness, 0, height);
GL.Vertex3(-radius, 0, height + thickness);
//right top
GL.Color4(innerCol);
GL.Vertex3(radius, 0, height);
GL.Color4(outerCol);
GL.Vertex3(radius + thickness, 0, height);
GL.Vertex3(radius, 0, height + thickness);
//left bottom
GL.Color4(innerCol);
GL.Vertex3(-radius, 0, 0);
GL.Color4(outerCol);
GL.Vertex3(-radius - thickness, 0, 0);
GL.Vertex3(-radius, 0, - thickness);
//right bottom
GL.Color4(innerCol);
GL.Vertex3(radius, 0, 0);
GL.Color4(outerCol);
GL.Vertex3(radius + thickness, 0, 0);
GL.Vertex3(radius, 0, - thickness);
GL.End();
GL.Enable(EnableCap.CullFace);
}
/// <summary>
/// Draws a border around a sphere of the given dimensions
/// </summary>
/// <param name="radius"></param>
/// <param name="segs"></param>
/// <param name="thickness"></param>
public static void DrawSphereBorder(float radius, int segs, float thickness)
{
OpenTK.Math.Vector4 innerCol = new OpenTK.Math.Vector4(0.3f, 0.3f, 0.3f, 0.6f);
OpenTK.Math.Vector4 outerCol = new OpenTK.Math.Vector4(0.3f, 0.3f, 0.3f, 0.0f);
GL.Disable(EnableCap.CullFace);
GLDrawHelper.DrawShadedDisk(radius, radius + thickness, segs, innerCol, outerCol);
GL.PushMatrix();
GL.Rotate(90.0f, 1.0f, 0.0f, 0.0f);
GLDrawHelper.DrawShadedDisk(radius, radius + thickness, segs, innerCol, outerCol);
GL.PopMatrix();
GL.Enable(EnableCap.CullFace);
}
/// <summary>
/// Draws a border around a cuboid of the given dimensions
/// </summary>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="depth"></param>
/// <param name="thickness"></param>
public static void DrawCuboidBorder(float width, float height, float depth, float thickness)
{
width /= 2;
height /= 2;
depth /= 2;
OpenTK.Math.Vector4 innerCol = new OpenTK.Math.Vector4(0.3f, 0.3f, 0.3f, 0.6f);
OpenTK.Math.Vector4 outerCol = new OpenTK.Math.Vector4(0.3f, 0.3f, 0.3f, 0.0f);
GL.Disable(EnableCap.CullFace);
GL.Begin(BeginMode.Quads);
//left line
GL.Color4(innerCol);
GL.Vertex3(-width, -height, 0);
GL.Vertex3(-width, height, 0);
GL.Color4(outerCol);
GL.Vertex3(-width-thickness, height, 0);
GL.Vertex3(-width-thickness, -height, 0);
//top line
GL.Color4(innerCol);
GL.Vertex3(-width, -height, 0);
GL.Vertex3(width, -height, 0);
GL.Color4(outerCol);
GL.Vertex3(width, -height-thickness, 0);
GL.Vertex3(-width, -height - thickness, 0);
//Right line
GL.Color4(innerCol);
GL.Vertex3(width, -height, 0);
GL.Vertex3(width, height, 0);
GL.Color4(outerCol);
GL.Vertex3(width+thickness, height, 0);
GL.Vertex3(width+thickness, -height, 0);
//bottom line
GL.Color4(innerCol);
GL.Vertex3(width, height, 0);
GL.Vertex3(-width, height, 0);
GL.Color4(outerCol);
GL.Vertex3(-width, height+thickness, 0);
GL.Vertex3(width, height + thickness, 0);
//left side line
GL.Color4(innerCol);
GL.Vertex3(-width, 0, -depth);
GL.Vertex3(-width, 0, depth);
GL.Color4(outerCol);
GL.Vertex3(-width - thickness, 0, depth);
GL.Vertex3(-width - thickness, 0, -depth);
//back line
GL.Color4(innerCol);
GL.Vertex3(-width, 0, -depth);
GL.Vertex3(width, 0, -depth);
GL.Color4(outerCol);
GL.Vertex3(width, 0, -depth - thickness);
GL.Vertex3(-width, 0 , -depth - thickness);
//right side line
GL.Color4(innerCol);
GL.Vertex3(width, 0, -depth);
GL.Vertex3(width, 0, depth);
GL.Color4(outerCol);
GL.Vertex3(width + thickness, 0, depth);
GL.Vertex3(width + thickness, 0, -depth);
//front line
GL.Color4(innerCol);
GL.Vertex3(width, 0, depth);
GL.Vertex3(-width, 0, depth);
GL.Color4(outerCol);
GL.Vertex3(-width,0, depth + thickness);
GL.Vertex3(width,0, depth + thickness);
GL.End();
GL.Begin(BeginMode.Triangles);
//top left
GL.Color4(innerCol);
GL.Vertex3(-width, -height, 0);
GL.Color4(outerCol);
GL.Vertex3(-width - thickness, -height, 0);
GL.Vertex3(-width, -height - thickness, 0);
//top right
GL.Color4(innerCol);
GL.Vertex3(width, -height, 0);
GL.Color4(outerCol);
GL.Vertex3(width + thickness, -height, 0);
GL.Vertex3(width, -height - thickness, 0);
//bottom left
GL.Color4(innerCol);
GL.Vertex3(-width, height, 0);
GL.Color4(outerCol);
GL.Vertex3(-width - thickness, height, 0);
GL.Vertex3(-width, height + thickness, 0);
//bottom right
GL.Color4(innerCol);
GL.Vertex3(width, height, 0);
GL.Color4(outerCol);
GL.Vertex3(width, height + thickness, 0);
GL.Vertex3(width + thickness, height, 0);
//back left
GL.Color4(innerCol);
GL.Vertex3(-width, 0, -depth);
GL.Color4(outerCol);
GL.Vertex3(-width, 0, -depth - thickness);
GL.Vertex3(-width - thickness, 0, -depth);
//back right
GL.Color4(innerCol);
GL.Vertex3(width, 0, -depth);
GL.Color4(outerCol);
GL.Vertex3(width, 0, -depth - thickness);
GL.Vertex3(width + thickness, 0, -depth);
//front right
GL.Color4(innerCol);
GL.Vertex3(width, 0, depth);
GL.Color4(outerCol);
GL.Vertex3(width, 0, depth + thickness);
GL.Vertex3(width + thickness, 0, depth);
//front left
GL.Color4(innerCol);
GL.Vertex3(-width, 0, depth);
GL.Color4(outerCol);
GL.Vertex3(-width, 0, depth + thickness);
GL.Vertex3(-width - thickness, 0, depth);
GL.Vertex3(-width, 0, depth);
GL.End();
GL.Enable(EnableCap.CullFace);
}
