32 lines
852 B
Lua
32 lines
852 B
Lua
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-- The base Shader class.
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Shader = Object:extend()
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function Shader:init(vertex_name, fragment_name)
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self.shader = love.graphics.newShader("assets/shaders/" .. (vertex_name or "default.vert"), "assets/shaders/" .. fragment_name)
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end
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-- Sets this shader as the active one.
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function Shader:set()
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current_shader = self
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love.graphics.setShader(self.shader)
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end
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-- Unsets this shader as the active one.
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function Shader:unset()
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current_shader = nil
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love.graphics.setShader()
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end
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-- Takes in a parameter and the data that corresponds to it and sends it to the shader.
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-- shader:send('displacement_map', displacement_canvas)
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function Shader:send(value, data)
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if data:is(Canvas) then
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self.shader:send(value, data.canvas)
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elseif data:is(Image) then
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self.shader:send(value, data.image)
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else
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self.shader:send(value, data)
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end
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end
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