The Ramp
v0r2

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Ramp graphic

Man graphic

Objects are sized appropriately

Angle graphic

Height graphic

Tick marks on ramp

Adjustable zero-height level (for P.E.)

Earth/Sky graphics.

Thermal Energy

Boundary conditions at ends of ramp.

Bugfixes.

Model:

• Add Thermal Energy
• Height is the important variable for energy.
• Add Recording/Playback
• Work = F.x
• Should we add a depiction of this?  (Displacement vectors?)
• Ability to change mass, friction (kinetic & static).

Graphs:

• Parallel Components of forces
• Energy Graphs
• Energy Bar Graphs at top left of screen.
• Single word labels(“weight”, “normal”)

Tabs

• Tab 1: No graphs
• Tab 2: Graphs

The Ramp

• Add barriers
• Graphics
• Audio
• ‘Wall Force’
• Jack Graphic

Friction vs. No Friction.

Labels near tips of arrows.

Bugs:

Thermal Energy computation has errors near v=0 regions.

Arrows should be offset (non-overlapping).

Screen turds with zero-potential graphic.

Force Arrow text appears at (0,0) sometimes.

Arrow text label centering fails for arrows at angles.

Refactor:

How is the transform being handled?

Factor out arrow names.

Ramp length should be parameter.

Questions:

Graph friction/normal/gravity force as a function of angle?

Open boundaries?  (Launch off the up-side, slide onto horizontal on the down-side?)

What should the ‘jack’ look like?  (The thing that props up the ramp.)  Stack of books?