91 lines
No EOL
2.1 KiB
Lua
91 lines
No EOL
2.1 KiB
Lua
Entity = class("Entity")
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function Entity:initialize(t)
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self.x, self.y = t.x, t.y
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self.spriteSize = {w = t.sprite:getWidth(), h = t.sprite:getHeight()}
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self.size = {w = self.spriteSize.w / 16, h = self.spriteSize.h / 16}
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self.color = Color:new(t.color)
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self.collision = t.collision --"none", "moveable", "unmoveable"
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self.sprite = t.sprite
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self.shaAmount = t.sha or 1
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end
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function Entity:getCollision()
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return self.collision
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end
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function Entity:atGridPos(x, y)
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-- we probably don't need this anymore
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local size = self:getGridSize()
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if x >= self.x and y >= self.y and x < self.x + size.x and y < self.y + size.y then
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return true
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end
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return false
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end
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function Entity:getOccupiedCells(coords)
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--we have this offset so we can project what a movement would do
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local offset = coords or {x = 0, y = 0}
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local box = self:getGridBox()
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local cells = {}
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for i = box.x + offset.x, box.x + box.w - 1 + offset.x do
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for j = box.y + offset.y, box.y + box.h - 1 + offset.y do
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table.insert(cells, {x = i, y = j})
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end
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end
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return cells
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end
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function Entity:getDrawBox()
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local drawPos = self:getDrawPos()
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return {x = drawPos.x, y = drawPos.y, w = self.spriteSize.w * drawScale, h = self.spriteSize.h * drawScale}
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end
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function Entity:getGridBox()
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return {x = self.x, y = self.y, w = self.size.w, h = self.size.h}
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end
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function Entity:getGridPos()
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return {x = self.x, y = self.y}
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end
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function Entity:getDrawPos()
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local gridPos = self:getGridPos()
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return {
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x = (gridPos.x - 1) * width / gridWidth + self:sha(),
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y = (gridPos.y - 1) * height / gridHeight + self:sha()
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}
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end
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function Entity:getGridSize()
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return {x = self.size.w, y = self.size.h}
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end
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function Entity:tick()
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end
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function Entity:draw()
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love.graphics.setColor(self.color:set())
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local p = self:getDrawPos()
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love.graphics.draw(self.sprite, p.x, p.y, 0, drawScale, drawScale)
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end
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function Entity:canMove()
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if self.collision == "unmoveable" then
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return false
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end
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return true
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end
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function Entity:move(axis, direction)
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self[axis] = self[axis] + direction
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end
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function Entity:sha()
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return math.random(-worldSha, worldSha) * .5
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end |