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debug: added labesl to debugging

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This commit is contained in:
Erkki Seppälä 2014-10-18 22:23:04 +03:00
parent f7656f269e
commit 587b987577
1 changed files with 17 additions and 2 deletions
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19
entities/debug.lua
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@ -1,17 +1,32 @@
class = require 'hump.class' class = require 'hump.class'
VectorLight = require 'hump/vector-light'
local scale = 10
local font = love.graphics.newFont(10)
DebugVector = Class { DebugVector = Class {
init = function(self, x0 , y0, dx, dy) init = function(self, label, x0 , y0, dx, dy)
self.x0 = x0; self.x0 = x0;
self.y0 = y0; self.y0 = y0;
self.dx = dx; self.dx = dx;
self.dy = dy; self.dy = dy;
self.label = label;
end; end;
draw = function(self) draw = function(self)
love.graphics.setColor(255, 0, 0) love.graphics.setColor(255, 0, 0)
love.graphics.line(self.x0, self.y0, self.x0 + self.dx, self.y0 + self.dy); love.graphics.line(self.x0, self.y0, self.x0 + self.dx * scale, self.y0 + self.dy * scale);
if self.label then
love.graphics.setColor(0,0,0)
love.graphics.setFont(font)
local unit_x, unit_y = VectorLight.div(VectorLight.len(self.dx, self.dy), self.dx, self.dy)
local dist_x, dist_y = self.dx * scale, self.dy * scale
local distance = math.min(100, VectorLight.len(dist_x, dist_y))
dist_x, dist_y = VectorLight.mul(distance, unit_x, unit_y)
love.graphics.printf(self.label, self.x0 + dist_x, self.y0 + dist_y, 100, "left")
end
end; end;
} }