41 lines
1.2 KiB
Lua
41 lines
1.2 KiB
Lua
class = require 'hump.class'
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VectorLight = require 'hump/vector-light'
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local scale = 10
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local font = love.graphics.newFont(10)
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DebugVector = Class {
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init = function(self, label, x0 , y0, dx, dy)
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self.x0 = x0;
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self.y0 = y0;
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self.dx = dx;
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self.dy = dy;
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self.label = label;
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end;
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draw = function(self)
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love.graphics.setColor(255, 0, 0)
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love.graphics.line(self.x0, self.y0, self.x0 + self.dx * scale, self.y0 + self.dy * scale);
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if self.label then
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love.graphics.setColor(0,0,0)
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love.graphics.setFont(font)
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local unit_x, unit_y = VectorLight.div(VectorLight.len(self.dx, self.dy), self.dx, self.dy)
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local dist_x, dist_y = self.dx * scale, self.dy * scale
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local distance = math.min(100, VectorLight.len(dist_x, dist_y))
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dist_x, dist_y = VectorLight.mul(distance, unit_x, unit_y)
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love.graphics.printf(self.label, self.x0 + dist_x, self.y0 + dist_y, 100, "left")
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end
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end;
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}
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debugEnabled = false
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drawDebug = function(debugVectors)
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if debugEnabled then
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for key, debugVector in pairs(debugVectors) do
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debugVector:draw();
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end
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end
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end;
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