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more physics tweaks

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This commit is contained in:
Josh Deprez 2021-08-12 16:23:52 +10:00
parent 453850b5b2
commit ad86535ca1
1 changed files with 9 additions and 8 deletions
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7
game/aw.go
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@ -32,7 +32,8 @@ func (aw *Awakeman) Update() error {
ε = 0.2 ε = 0.2
restitution = -0.3 restitution = -0.3
gravity = 0.3 gravity = 0.3
jumpVelocity = -3.6 airResistance = -0.01 // ∴ terminal velocity = 30
jumpVelocity = -4
runVelocity = 1.4 runVelocity = 1.4
coyoteTime = 5 coyoteTime = 5
) )
@ -55,8 +56,8 @@ func (aw *Awakeman) Update() error {
aw.vy = 0 aw.vy = 0
aw.coyoteTimer = coyoteTime aw.coyoteTimer = coyoteTime
} else { } else {
// Falling. v = v_0 + a, and a is gravity. // Falling. v = v_0 + a, and a = gravity + airResistance(v)
aw.vy += gravity aw.vy += gravity + airResistance*aw.vy
if aw.coyoteTimer > 0 { if aw.coyoteTimer > 0 {
aw.coyoteTimer-- aw.coyoteTimer--
} }