Difference between revisions of "Relativity effect"

Latest revision as of 00:18, 9 February 2008

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Combat mechanics#Collisions and projectiles

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-Relativity refers to the relationship between physical quantities measured in different frames of reference. Different relations are used depending on the desired accuracy. '''Relativity effects''' in [[Star Control I]] and [[Star Control II]] appear in two forms in melee fighting: projectiles and collisions.
+#REDIRECT [[Combat mechanics#Collisions and projectiles]]
-The two common relativistic relations are Newtonian Mechanics and Einstein's theory of relativity. Newtonian Mechanics uses the Galilean Transformation to add velocities. Thus a projectile's velocity in the frame of reference '''b''' is simply the addition of the velocity of the source's frame '''a''' in '''b''' and the projectile's velocity in the source's frame '''a''':
-u' = u   v
-where u' is the projectile velocity in frame '''b''', u is the projectile velocity in '''a''', and v is the relative velocity between '''a''' and '''b'''.
-This transform is accurate as long as the speeds don't get much above ten percent the speed of light. For speeds approaching luminal speed, the Special Theory of Relativity more accurately describes the addition of velocities by using a Lorentzian Transformation. It uses the following formula to add velocities:
-u' = (u   v) / (1   (u * v) / c<sup>2</sup>)
-where c is the speed of light. For small u and v with respect to c, this reduces to the Galilean Transform. For collisions, both sets of physics agree that total momentum is conserved, but differ on the definition of momentum.
-In the Star Control universe, collisions between ships and other objects appear to be nearly elastic and are governed by rules that more closely resemble Newtonian Mechanics. Projectiles however obey a different set of rules entirely. The speed of a projectile is constant in the absolute reference frame defined by the planet and the background starfield, no matter how fast the firing starship is moving. For some ships, this strange bit of physics has huge implications. A notable example is the [[Mycon]] [[Podship]], which when moving at top speed can overtake and be damaged by its own plasmoids. This effect is also responsible for the illusions of a longer range when firing backwards and a shorter range when firing forward.
-[[Category:Game mechanics]]
-[[Category:Science and technology]]
-[[Category:Trivia]]

Difference between revisions of "Relativity effect"

Latest revision as of 00:18, 9 February 2008

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