81 lines
2.1 KiB
Lua
81 lines
2.1 KiB
Lua
Class = require 'hump.class'
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require 'entities/entity'
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require 'utils'
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PhysicsEntity = Class{
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__includes = Entity,
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init = function(self, x, y, level, physics_type, restitution)
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Entity.init(self, x, y, level)
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self.physicsType = physics_type
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self.main_color = main_color
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self.restitution = restitution
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self.deleteLater = false
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self.collisionCategory = 1
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self:initPhysics(self)
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end;
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initPhysics = function(self)
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self.body = love.physics.newBody(self.level.world, self.x, self.y,
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self.physicsType)
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end;
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-- This should only be called once the child has created their shapes, maybe
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-- in the child constructor
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-- You can add a density too. I don't know what that means
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attachShape = function(self, density)
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density = density or 1
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self.fixture = love.physics.newFixture(self.body, self.shape, density)
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self.fixture:setRestitution(self.restitution)
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-- Add reference to this object so we can get it in collisions
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self.fixture:setUserData(self)
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-- Set category of this physicsentity to help mask collisions
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self.fixture:setCategory(self.collisionCategory)
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end;
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-- Reimplement
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draw = function(self)
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end;
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-- Only update if physics is not static
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update = function(self, dt)
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if self.deleteLater then
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self:delete()
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return
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end
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if self.physicsType ~= "static" then
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self.x = self.body:getX()
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self.y = self.body:getY()
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end
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end;
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delete = function(self)
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if self.body ~= nil then
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self.body:destroy()
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end
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Entity.delete(self)
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end;
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-- Reimplement
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wasHitBy = function(self, by)
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end;
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-- Reimplement
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noLongerHitBy = function(self, by)
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end;
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-- Apply linear impulse with given direction and power
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punch = function(self, angle, power)
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local forces = rad_dist_to_xy(angle, power)
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self.body:applyLinearImpulse(forces[1], forces[2])
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end;
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}
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