46 lines
1.4 KiB
Lua
46 lines
1.4 KiB
Lua
--- @class LightBehavior : Behavior
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--- @field intensity number
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--- @field color Vec3
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--- @field position Vec3
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--- @field seed integer
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local behavior = {}
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behavior.__index = behavior
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behavior.id = "light"
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---@param values {intensity: number?, color: Vec3?, position: Vec3?, seed: integer?}
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---@return LightBehavior
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function behavior.new(values)
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return setmetatable({
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intensity = values.intensity or 1,
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color = values.color or Vec3 { 1, 1, 1 },
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position = values.position or Vec3 {},
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seed = values.seed or math.random(math.pow(2, 16))
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}, behavior)
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end
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function behavior:update()
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local mx, my = love.mouse.getX(), love.mouse.getY()
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self.position = Tree.level.camera:toWorldPosition(Vec3 { mx, my })
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end
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function behavior:draw()
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Tree.level.camera:attach()
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love.graphics.setCanvas(Tree.level.render.textures.lightLayer)
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local shader = Tree.assets.files.shaders.light
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shader:send("color", { self.color.x, self.color.y, self.color.z })
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shader:send("time", love.timer.getTime() + self.seed)
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love.graphics.setShader(shader)
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-- love.graphics.setBlendMode("add")
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love.graphics.draw(Tree.assets.files.masks.circle128, self.position.x - self.intensity / 2,
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self.position.y - self.intensity / 2, 0, self.intensity / 128,
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self.intensity / 128)
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love.graphics.setBlendMode("alpha")
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love.graphics.setShader()
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love.graphics.setCanvas()
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Tree.level.camera:detach()
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end
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return behavior
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