vertices.py

"""Draw opengl, vertex-based shapes.
   This is just a small selection of
   what can be drawn with the opengl api.
   by stephan)
"""
from slut import *

class Atlantis(World):
    def onSetup(self):
        self.width = 400
        self.height = 300
        self.name = "By Vertex"

    def onDraw(self):
        # points
        glPointSize(3)
        glColor4f(1.0, 1.0, 1.0, 1.0)
        glBegin(GL_POINTS)
        glVertex3f(0.2, 1.5, 0)
        glVertex3f(0.1, 1.5, 0)
        glVertex3f(0, 1.5, 0)
        glEnd()

        #a zig-zag line
        glLineWidth(1)
        glColor4f(1.0, 1.0, 1.0, 1.0)
        glBegin(GL_LINE_STRIP)
        glVertex3f(-2, 0, 0.2)
        glVertex3f(-2, 1, 0.2)
        glVertex3f(-1, 0, 0.2)
        glVertex3f(-1, 1, 0.2)
        glVertex3f(-0.1, 0, 0.2)
        glVertex3f(-0.1, 1, 0.2)
        glEnd()

        #line segments
        glLineWidth(3)
        glColor4f(1.0, 0.5, 0.5, 1.0)
        glBegin(GL_LINES)
        glVertex3f(2, 0, 0.0)
        glVertex3f(2, 1, 0.0)
        glVertex3f(1, 0, 0.2)
        glVertex3f(1, 1, 0.2)
        glVertex3f(0.1, 0, 0.0)
        glVertex3f(0.1, 1, 0.0)
        glEnd()


        #single colored polygon
        glLineWidth(1)
        glColor4f(1.0, 0.3, 0.3, 1.0)
        glBegin(GL_POLYGON)
        glVertex3f(-1, -1, 0)
        glVertex3f(-2, -1.5, 0)
        glVertex3f(-2, 0, 0)
        glVertex3f(-1.3, 1, 0)
        glVertex3f(-1, -1, 0)
        glEnd()

        #multi-colored polygon
        glLineWidth(3)
        glBegin(GL_POLYGON)
        glColor4f(0.5, 0.5, 0.5, 1.0)
        glVertex3f(0, -1, 0)
        glVertex3f(2, -1, 0)
        glVertex3f(2, 1, 0)
        glColor4f(1.0, 0.5, 0.5, 1.0)
        glVertex3f(1.2, 1.5, 0)
        glVertex3f(0, -1, 0)
        glEnd()


    def onDrawOrtho(self):
        glLineWidth(1)
        glColor4f(0.5, 0.5, 0.8, 1.0)
        glBegin(GL_LINE_STRIP)
        glVertex2f(0, 250)
        glVertex2f(110, 220)
        glVertex2f(210, 250)
        glVertex2f(400, 220)
        glEnd()



atlantis = Atlantis()
atlantis.run()