Bridge simulation

Instructions!

• Press 0, 1, 2 (not on the numpad) to select between three materials!
• Left click and drag from an existing point to build a bar of your material!
• Right click when a bar is highlighted in red to delete it!
• Right click and drag when a green point is highlighted to move it around!
• Blue points are fixed points, which can't move. Use them as your starting point for your bridge!

Challenges!

• 6 3 100 300 1 400 300 1 100 100 1 400 100 1 203 299 0 315 300 0 0 4 0 4 5 0 5 1 0
  Without moving the existing green points, can you save this iron platform from collapsing?
• Can you do the same without using cable?
• Can you do the same without using the top two fixed points?

Demonstrations!

• 7 16 250 100 1 426 58 0 431 47 0 445 43 0 455 54 0 449 70 0 436 72 0 0 1 2 1 2 1 2 3 1 3 4 1 4 5 1 5 6 1 6 1 1 6 2 1 6 3 1 6 4 1 5 1 1 5 2 1 5 3 1 4 1 1 4 2 1 3 1 1