Portal/Gameplay: Difference between revisions
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{{YouTube|video=oeUjVkJ7seY|title=Portal Trailer|duration=2:21|description=An introduction to portals.}} | {{YouTube|video=oeUjVkJ7seY|title=Portal Trailer|duration=2:21|description=An introduction to portals.}} | ||
Portals are the main method of getting around and solving puzzles in Portal. They are either created by the [[#Aperture Science Handheld Portal Device|portal gun]], or are pre-existing in a chamber. A portal has two ends; a blue end, and an orange end. You (or objects you send through) can travel between the two in either direction. | Portals are the main method of getting around and solving puzzles in Portal. They are either created by the [[#Aperture Science Handheld Portal Device|portal gun]], or are pre-existing in a chamber. A portal has two ends; a blue end, and an orange end. You (or objects you send through) can travel between the two in either direction. | ||
One of the key features of portals is that momentum is conserved as you go through; if an object is going fast when it enters a portal, it will come out the other end at the same speed, ''regardless of any re-orientation which might occur''. One important practical application of this is to climb up otherwise insurmountable objects: place one end of a portal at the bottom of a pit, and one facing the top of the object to be scaled, and then fall into the first end of the portal. You will be projected out of the second end and come to rest (if the | One of the key features of portals is that momentum is conserved as you go through; if an object is going fast when it enters a portal, it will come out the other end at the same speed, ''regardless of any re-orientation which might occur''. One important practical application of this is to climb up otherwise insurmountable objects: place one end of a portal at the bottom of a pit, and one facing the top of the object to be scaled, and then fall into the first end of the portal. You will be projected out of the second end and come to rest (if the portals have been positioned properly) on top of the previously-insurmountable object. | ||
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==Aperture Science Weighted Storage Cubes== | ==Aperture Science Weighted Storage Cubes== | ||
[[Image:Portal_cube.jpg|thumb|left|A cube.]] | [[Image:Portal_cube.jpg|thumb|left|A cube.]] | ||
The stereotypical physics block; you can pick them up, move them around, throw them, and – more importantly – leave them on buttons, and push them through portals. They're simply referred to in this guide as "cubes". | The stereotypical physics block; you can pick them up, move them around, [[Portal/Tips and Advanced Techniques#Cube Throwing|throw them]], and – more importantly – leave them on [[#1500MW Aperture Science Heavy-Duty Supercolliding Superbuttons|buttons]], and push them through [[#Portals|portals]]. They're simply referred to in this guide as "cubes". | ||
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==Doors== | ==Doors== | ||
[[Image:Portal_door_closed.jpg|thumb|left|A closed door, showing the wires to it.]] | [[Image:Portal_door_closed.jpg|thumb|left|A closed door, showing the wires to it.]] | ||
[[Image:Portal_door_open.jpg|thumb|right|An open door.]] | [[Image:Portal_door_open.jpg|thumb|right|An open door.]] | ||
These are – at least to begin with – the main obstacle to progression through the chambers. Typically linked to [[#1500MW Aperture Science Heavy-Duty Supercolliding Superbuttons|buttons]], doors will only stay open when the | These are – at least to begin with – the main obstacle to progression through the chambers. Typically linked to [[#1500MW Aperture Science Heavy-Duty Supercolliding Superbuttons|buttons]], doors will only stay open when the button is pressed. The button, or buttons, with which a door is linked can be determined by following the wires from the door to the buttons. | ||
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==Aperture Science High-Energy Pellets== | ==Aperture Science High-Energy Pellets== | ||
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==Pellet receiver== | ==Pellet receiver== | ||
[[Image:Portal_pellet_receiver.jpg|thumb|left|A pellet receiver.]] | [[Image:Portal_pellet_receiver.jpg|thumb|left|A pellet receiver.]] | ||
Pellet receivers act much like buttons in that they power things when they have received a [[#Aperture Science High-Energy Pellets|pellet]]. They are connected to the device they power with wires, which can be traced to find a pellet receiver's associated object. Once a pellet receiver has captured a pellet, it will close, and can capture no more pellets. Conversely, it will never release the pellet it has captured, either. | Pellet receivers act much like [[#1500MW Aperture Science Heavy-Duty Supercolliding Superbuttons|buttons]] in that they power things when they have received a [[#Aperture Science High-Energy Pellets|pellet]]. They are connected to the device they power with wires, which can be traced to find a pellet receiver's associated object. Once a pellet receiver has captured a pellet, it will close, and can capture no more pellets. Conversely, it will never release the pellet it has captured, either. | ||
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==Turret== | ==Turret== | ||
