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require 'honey.std'
return function(entities, id, dt)
local self = honey.ecs.Accessor(entities, id)
local pressed = function(key)
return glfw.GetKey(window.win, key) == glfw.PRESS
end
local float = self.node._child.spring.spring.F
ode.BodyAddForce(self.physics._body, 0, float, 0)
self.node._child.spring.spring.F = 0
local yaw = math.rad(
self.node._child.p
.node._child.pivot
.pitchyaw.yaw)
local forward = Vec3{-math.sin(yaw), 0, -math.cos(yaw)}
local left = Vec3{-math.cos(yaw), 0, math.sin(yaw)}
local vel = Vec3{0,0,0}
if pressed(glfw.KEY_W) then
vel = vel + forward
end
if pressed(glfw.KEY_A) then
vel = vel + left
end
if pressed(glfw.KEY_S) then
vel = vel - forward
end
if pressed(glfw.KEY_D) then
vel = vel - left
end
vel = 2000 * vel:normalize()
x, y, z = ode.BodyGetLinearVel(self.physics._body)
if Vec3{x,y,z}:norm2() < 500 then
ode.BodyAddForce(self.physics._body, vel[1], vel[2], vel[3])
end
-- slow down
local horizontalDamping = 100
local verticalDamping = 5
ode.BodyAddForce(self.physics._body,
-horizontalDamping*x,
-verticalDamping*y,
-horizontalDamping*z)
if y < 0.3 and float > 0 then
ode.BodySetLinearVel(self.physics._body, x, 0, z)
end
end
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