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42 lines
936 B
Python
42 lines
936 B
Python
6 years ago
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from collections import deque
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import math
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from lib import get_rotate_y_matrix as get_matrix
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g_steps = 20
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swing_angle = 15
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x_radius = 15
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def path_generator():
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assert (g_steps % 4) == 0
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quarter = int(g_steps/4)
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pi = math.acos(-1)
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result = []
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step_angle = swing_angle / quarter
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step_offset = x_radius / quarter
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for i in range(quarter):
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m = get_matrix(swing_angle - i*step_angle)
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m[0,3] = -i * step_offset
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result.append(m)
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for i in range(quarter):
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m = get_matrix(-i*step_angle)
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m[0,3] = -x_radius + i * step_offset
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result.append(m)
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for i in range(quarter):
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m = get_matrix(i*step_angle-swing_angle)
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m[0,3] = i * step_offset
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result.append(m)
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for i in range(quarter):
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m = get_matrix(i*step_angle)
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m[0,3] = x_radius-i * step_offset
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result.append(m)
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return result, "matrix", 50, (0, quarter*2)
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