kopia lustrzana https://github.com/villares/sketch-a-day
60 wiersze
1.7 KiB
Python
60 wiersze
1.7 KiB
Python
# -*- coding: utf-8 -*-
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ROTATION = {0 : 0,
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BOTTOM : 0,
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DOWN : 0,
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1 : HALF_PI,
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LEFT : HALF_PI,
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2 : PI,
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TOP : PI,
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UP : PI,
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3 : PI + HALF_PI,
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RIGHT: PI + HALF_PI,
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BOTTOM + RIGHT : 0,
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DOWN + RIGHT : 0,
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DOWN + LEFT : HALF_PI,
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BOTTOM + LEFT : HALF_PI,
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TOP + LEFT : PI,
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UP + LEFT : PI,
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TOP + RIGHT: PI + HALF_PI,
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UP + RIGHT: PI + HALF_PI,
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}
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def quarter_circle(x, y, radius, quadrant):
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circle_arc(x, y, radius, ROTATION[quadrant], HALF_PI)
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def half_circle(x, y, radius, quadrant):
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circle_arc(x, y, radius, ROTATION[quadrant], PI)
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def circle_arc(x, y, radius, start_ang, sweep_ang):
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npoints = 2.
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angle = sweep_ang/npoints
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a = start_ang
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while a < start_ang + sweep_ang:
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sx = x + cos(a) * radius
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sy = y + sin(a) * radius
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line(0, 0, sx, sy)
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a += angle
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#arc(x, y, radius * 2, radius * 2, start_ang, start_ang + sweep_ang)
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def bar(x1, y1, x2, y2, thickness=None, shorter=0, ends=(1,1)):
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"""
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O código para fazer as barras, dois pares (x, y),
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um parâmetro de encurtamento: shorter
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"""
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L = dist(x1, y1, x2, y2)
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if not thickness:
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thickness = 10
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with pushMatrix():
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translate(x1, y1)
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angle = atan2(x1 - x2, y2 - y1)
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rotate(angle)
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offset = shorter / 2
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line(thickness/2, offset, thickness/2, L - offset)
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line(-thickness/2, offset, -thickness/2, L - offset)
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if ends[0]:
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half_circle(0, offset, thickness/2, UP)
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if ends[1]:
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half_circle(0, L - offset, thickness/2, DOWN)
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