46 lines
1.5 KiB
Python
46 lines
1.5 KiB
Python
from OpenGL.GL import *
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from dusk.defs import TILE_WIDTH, TILE_HEIGHT, TILE_DEPTH
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class Grid:
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def __init__(self, lines=1000):
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self.cellWidth = TILE_WIDTH
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self.cellHeight = TILE_HEIGHT
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self.lines = lines
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self.enabled = True
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def draw(self):
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if not self.enabled:
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return
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center = [0.01,0.01,0.01]
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halfWidth = self.cellWidth * self.lines // 2
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halfHeight = self.cellHeight * self.lines // 2
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# Draw origin axes
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glBegin(GL_LINES)
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# X axis - RED
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glColor3f(1.0, 0.0, 0.0)
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glVertex3f(center[0] - halfWidth, center[1], center[2])
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glVertex3f(center[0] + halfWidth, center[1], center[2])
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# Y axis - GREEN
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glColor3f(0.0, 1.0, 0.0)
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glVertex3f(center[0], center[1] - halfHeight, center[2])
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glVertex3f(center[0], center[1] + halfHeight, center[2])
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# Z axis - BLUE
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glColor3f(0.0, 0.0, 1.0)
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glVertex3f(center[0], center[1], center[2] - halfWidth)
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glVertex3f(center[0], center[1], center[2] + halfWidth)
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glEnd()
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# Draw grid
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glColor3f(0.8, 0.8, 0.8)
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glBegin(GL_LINES)
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for i in range(-self.lines // 2, self.lines // 2 + 1):
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# Vertical lines
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glVertex3f(center[0] + i * self.cellWidth, center[1] - halfHeight, center[2])
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glVertex3f(center[0] + i * self.cellWidth, center[1] + halfHeight, center[2])
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# Horizontal lines
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glVertex3f(center[0] - halfWidth, center[1] + i * self.cellHeight, center[2])
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glVertex3f(center[0] + halfWidth, center[1] + i * self.cellHeight, center[2])
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glEnd() |