kinda work movement
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@ -14,7 +14,11 @@ end
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local default = {
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pos = vm.vec2(44.64, 10.87),
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orientation = vm.vec2(0.0, 0.0),
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orientation_speed = vm.vec2(0.0, 0.0),
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min_orientation_speed = -1.0,
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max_orientation_speed = 1.0,
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velocity = vm.vec2(0.0, 0.0),
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max_speed = 1.0,
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@ -69,20 +73,28 @@ local function rotate_vector(x0, y0, theta)
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return vm.vec2(x1, y1)
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end
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local function velocity_flow(dt, force, mass, velocity, max_speed, min_speed)
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local function forward_velocity(dt, force, mass, velocity, max_speed, min_speed)
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if (mass == 0) then
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mass = 1
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end
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local a = force * dt / mass
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-- local theta_a = rotate_vector(force[1], 0, force[2])
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local new_velocity = velocity + a
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new_velocity[1] = vm.clamp(new_velocity[1], min_speed, max_speed)
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new_velocity[2] = vm.clamp(new_velocity[2], min_speed, max_speed)
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local a = force[1] * dt / mass
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local new_velocity = velocity[1] + a
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new_velocity = vm.clamp(new_velocity, min_speed, max_speed)
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return new_velocity
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end
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local function orientation_velocity(dt, force, mass, orientation_speed, orientation, max_orientation, min_orientation)
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if (mass == 0) then
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mass = 1
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end
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local a = force[2] * dt / mass
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local new_speed = orientation_speed + a
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new_speed = vm.clamp(new_speed, min_orientation, max_orientation)
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local new_orientation = rotate_vector(orientation[1], orientation[2], new_speed)
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return new_orientation, new_speed
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end
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function world:update_race(dt)
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local x, y = self.data.pos[1], self.data.pos[2]
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local or_x, or_y = self.data.orientation[1], self.data.orientation[2]
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@ -103,10 +115,14 @@ function world:update_race(dt)
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magic_w.drag_boost, magic_w.drag_halt,
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magic_w.inertia, magic_w.centrifugal
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)
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self.data.velocity = velocity_flow(dt, force, mass, velocity, max_speed, min_speed)
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local f_v = forward_velocity(dt, force, mass, velocity, max_speed, min_speed)
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local o, o_v = orientation_velocity(dt, force, mass, self.data.orientation_speed, self.data.orientation, self.data.max_orientation_speed, self.data.min_orientation_speed)
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self.data.velocity[1] = f_v
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self.data.orientation_speed = o_v
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self.data.orientation = o
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-- if (self.data.velocity[1] ~= 0) then
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self.data.pos = self.data.pos + self.data.velocity
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self.data.pos = self.data.pos + o * f_v
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-- end
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self.data.inertia = force
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@ -119,7 +135,7 @@ end
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function world:draw()
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local x, y = self.data.pos[1], self.data.pos[2]
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local or_x, or_y = self.data.orientation[1], self.data.orientation[2]
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local vx, vy = self.data.velocity[1], self.data.velocity[2]
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local vx, vy = self.data.orientation[1] * self.data.velocity[1], self.data.orientation[2] * self.data.velocity[1]
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test.set_sphere(x, y, vx, vy)
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end
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@ -144,7 +160,7 @@ function world:ui_draw()
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debug_data(650, 0, 1.0, 0.0, 1.0, self.data)
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debug_data(650, 400, 1.0, 0.0, 1.0, magic_w)
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local vx, vy = self.data.velocity[1], self.data.velocity[2]
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local vx, vy = self.data.orientation[1], self.data.orientation[2]
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debug_vector(vx, vy)
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end
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@ -24,7 +24,11 @@ local entities_default = {
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data = {
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racer = {
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pos = vm.vec2(44.64, 10.87),
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orientation = vm.vec2(0.0, 0.0),
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orientation = vm.vec2(1.0, 0.0),
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orientation_speed = 0.0,
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min_orientation_speed = -1.0,
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max_orientation_speed = 1.0,
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velocity = vm.vec2(0.0, 0.0),
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max_speed = 1.0,
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