Project Aperture

Simple Portal Prototype

Place Objects

Portalable Surface

Tools

Controls

RMB + WASD: Move camera

RMB + Mouse: Look around

RMB + Space/Shift: Up/Down

Q/W/E/R: Select/Move/Rotate/Scale

ESC: Cancel/Deselect

Click to Play

Click to lock mouse. LMB: Blue portal, RMB: Orange portal. E: Grab/Throw cube.

Level Complete

You reached the goal.

Time: 0.00s

0 m/s

Render scale 100%

Stencil Test

Step A: Draw stencil mask (quad)
Step B: Draw sphere (only visible where stencil=1)

Portal Rendering

Step 0: Main Scene
Step 1a: Blue Portal Mask
Step 1b: Blue Portal View
Step 2: Orange Portal View (back)
Step 3: Portal Borders