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Plane model is better. Also some initial settings put in..

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This commit is contained in:
Erkki Seppälä 2014-10-18 23:00:26 +03:00
parent 2306a4cb0a
commit c2523b845b
1 changed files with 22 additions and 13 deletions
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35
entities/plane.lua
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@ -22,18 +22,20 @@ end
local fwd_frict_coeff = 0.2
local nor_frict_coeff = 2.0
local tail_frict_coeff = 0.5
local turn_speed = 0.2 * 1000
local wing_lift = 0.1
local turn_speed = 2.0
local wing_lift = 0.1 * 5
local accel_speed = 1000.0
local decel_speed = 2000.0
local max_motorPower = 4000.0
local plane_area = 10.0
local head_area = 1.0
Plane = Class{
__includes = PhysicsEntity,
img = nil,
motorPower = 0,
motorPower = 100,
debugVectors = {},
@ -46,13 +48,14 @@ Plane = Class{
init = function(self, x, y, level)
local density = 50
PhysicsEntity.init(self, x, y, level, "dynamic", 0.2)
self.xsize = 55
self.ysize = 20
self.xsize = 5.5 * PIXELS_PER_METER
self.ysize = 2.0 * PIXELS_PER_METER
self.shape = love.physics.newRectangleShape(self.xsize, self.ysize)
PhysicsEntity.attachShape(self, density)
self.body:setX(self.x + self.xsize / 2)
self.body:setY(self.y - self.ysize / 2)
self.body:setAngle(math.pi / 2)
self.body:setLinearVelocity(100, 0)
self.body:setAngle(0)
self.angle = 0
self.img = love.graphics.newImage("resources/graphics/box-50x50.png");
@ -179,15 +182,21 @@ Plane = Class{
self.body:applyForce(dx, dy);
-- table.insert(debugVectors, DebugVector(self.body:getX(), self.body:getY(), dx, dy))
-- (* self#add_force "fwddrag" *)
-- (* (Gg.V2.smul (fwd_frict_coeff *. fwd_vel ** 2.0 *. head_area) (V.unit (negate vel))) *)
-- (* (to_base (Gg.V2.v 0.0 0.0)); *)
local airdrag = -fwd_frict_coeff * math.pow(fwd_vel, 2.0) * head_area
rel_force("airdrag", airdrag, 0, 0, 0)
-- Air friction (and drag?) opposes movement towards plane velocity normal also
-- hdd drag
local hddrag_x, hddrag_y = VectorLight.mul(nor_frict_coeff * math.pow(normal_vel, 2.0) * sign(normal_vel), 0, -1.0)
local hddrag_x, hddrag_y = VectorLight.mul(nor_frict_coeff * math.pow(normal_vel, 2.0) * plane_area * sign(normal_vel), 0, -1.0)
local b = to_base(-1.0, 0.0)
rel_force("hddrag", hddrag_x, hddrag_y, -self.xsize / 2, 0);
-- self.body:applyForce(hddrag_x, hddrag_y, b[1][1], b[2][1])
local lift_x, lift_y = VectorLight.mul(wing_lift * math.pow(fwd_vel, 2.0) * lift_coeff, normal_x, normal_y)
self.body:applyForce(lift_x, lift_y, self.body:getX(), self.body:getY())
local lift_x, lift_y = VectorLight.mul(wing_lift * math.pow(fwd_vel, 2.0) * lift_coeff, 0, -1)
rel_force("lift", lift_x, lift_y, self.xsize * 0.8, 0)
-- if self.turningCcw then
-- dx, dy = VectorLight.rotate(self.angle, 0, 50000)
@ -195,15 +204,15 @@ Plane = Class{
-- dx, dy = VectorLight.rotate(self.angle, 0, -50000)
-- end
if self.turningCcw then
dx, dy = 0, turn_speed * dt
dx, dy = 0, -turn_speed
elseif self.turningCw then
dx, dy = 0, -turn_speed * dt
dx, dy = 0, turn_speed
end
if self.turningCw or self.turningCcw then
dx, dy = VectorLight.mul(turn_speed * math.pow(tail_speed, 2.0) * sign(tail_speed), dx, dy)
dx, dy = VectorLight.mul(turn_speed * math.pow(fwd_vel, 2.0) * sign(fwd_vel), dx, dy)
-- print("dx", dx, "dy", dy, "tail_speed", tail_speed)
-- self.body:applyForce(dx, dy, self.body:getX() + rdx, self.body:getY() + rdy)
rel_force("turn", dx, dy, -self.xsize / 2, 0);
rel_force("turn", dx, dy, -0.4 * self.xsize, 0);
end
-- print(dx, dy)