93 lines
2.2 KiB
Lua
93 lines
2.2 KiB
Lua
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local character = require "../character"
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Gridwalker = class()
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Gridwalker.speed = 2
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Gridwalker.collisionTestSize = 12
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Gridwalker.neighbourOffsetX = (character.width - Gridwalker.collisionTestSize) / 2
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Gridwalker.neighbourOffsetY = character.width - Gridwalker.collisionTestSize * 1.5
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Gridwalker.testShape = nil
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Gridwalker.charinfo = nil
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function Gridwalker:sendKey(key)
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if key == "w" or key == "up" then
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self:up()
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end
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if key == "s" or key == "down" then
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self:down()
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end
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if key == "d" or key == "right" then
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self:right()
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end
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if key == "a" or key == "left" then
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self:left()
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end
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end
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function Gridwalker:up()
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local newX = self.charinfo.x
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local newY = self.charinfo.y - self.speed
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self:move(newX, newY, character.walking_up)
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end
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function Gridwalker:down()
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local newX = self.charinfo.x
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local newY = self.charinfo.y + self.speed
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self:move(newX, newY, character.walking_down)
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end
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function Gridwalker:right()
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local newX = self.charinfo.x + self.speed
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local newY = self.charinfo.y
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self:move(newX, newY, character.walking_right)
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end
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function Gridwalker:left()
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local newX = self.charinfo.x - self.speed
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local newY = self.charinfo.y
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self:move(newX, newY, character.walking_left)
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end
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function Gridwalker:init()
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self.testShape = collider:addRectangle(self.charinfo.x + self.neighbourOffsetX, self.charinfo.y + self.neighbourOffsetY, self.collisionTestSize, self.collisionTestSize)
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collider:setPassive(self.testShape)
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end
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function Gridwalker:setTestShape(x, y)
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local testX = x + self.neighbourOffsetX + self.collisionTestSize / 2
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local testY = y + self.neighbourOffsetY + self.collisionTestSize / 2
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self.testShape:moveTo(testX, testY)
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return testX, testY
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end
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function Gridwalker:move(x, y, pose)
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local noCollision = true
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local testX, testY = self:setTestShape(x, y)
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for other in pairs(collider:shapesInRange(testX, testY, testX + self.collisionTestSize, testY + self.collisionTestSize)) do
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if self.testShape:collidesWith(other) then
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noCollision = false
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break
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end
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end
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if noCollision then
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self.charinfo.x = x
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self.charinfo.y = y
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else
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self:setTestShape(self.charinfo.x, self.charinfo.y)
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end
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self.charinfo.pose = pose
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end
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