• Drawing Mode: Click and drag in the left (black) area to draw the polymer.
• After drawing, click Finish Drawing to smooth the chain and enable bead manipulation.
• Use Shift+Click to toggle a bead’s fixed state.
• x key+Click to remove a bead; a key+Click to add a bead along the chain.
• Destroy Structure: Smoothly explodes the polymer into randomized positions.
• Linearize Structure: Aligns beads along a straight, horizontal line.