Fix julia not working and rename a variable.

Author: csd4ni3l

game/shader.py

@@ -427,9 +427,9 @@ def create_iter_calc_shader(fractal_type, width, height, precision="single", mul
 
     shader_program = pyglet.graphics.shader.ComputeShaderProgram(shader_source)
 
-    julia_image = pyglet.image.Texture.create(width, height, internalformat=pyglet.gl.GL_RGBA32F)
+    iter_calc_image = pyglet.image.Texture.create(width, height, internalformat=pyglet.gl.GL_RGBA32F)
 
     uniform_location = shader_program['img_output']
-    julia_image.bind_image_texture(unit=uniform_location)
+    iter_calc_image.bind_image_texture(unit=uniform_location)
 
-    return shader_program, julia_image
+    return shader_program, iter_calc_image

utils/constants.py

@@ -9,6 +9,7 @@
 
 initial_real_imag = {
     "mandelbrot": (-2.0, 1.0, -1.0, 1.0),
+    "julia": (-2.0, 1.0, -1.0, 1.0),
     "mandelbar": (-2.0, 1.0, -1.0, 1.0),
     "phoenix_fractal": (-2.0, 1.0, -1.0, 1.0),
     "lambda_fractal": (-2.0, 1.0, -1.0, 1.0),