example1.py

from sightpy import *

# define materials to use

gold_metal = Glossy(diff_color = rgb(1., .572, .184), n = vec3(0.15+3.58j, 0.4+2.37j, 1.54+1.91j), roughness = 0.0, spec_coeff = 0.2, diff_coeff= 0.8) # n = index of refraction
bluish_metal = Glossy(diff_color = rgb(0.0, 0, 0.1), n = vec3(1.3+1.91j, 1.3+1.91j, 1.4+2.91j), roughness = 0.2,spec_coeff = 0.5, diff_coeff= 0.3)

floor =  Glossy(diff_color = image("checkered_floor.png", repeat = 80.),   
	            n = vec3(1.2+ 0.3j, 1.2+ 0.3j, 1.1+ 0.3j), roughness = 0.2, spec_coeff = 0.3, diff_coeff= 0.9 )





# Set Scene 
Sc = Scene(ambient_color = rgb(0.05, 0.05, 0.05))


angle = -np.pi/2 * 0.3
Sc.add_Camera(look_from = vec3(2.5*np.sin(angle), 0.25, 2.5*np.cos(angle)  -1.5 ), 
			  look_at = vec3(0., 0.25, -3.), 
	          screen_width = 400 ,
	          screen_height = 300)



Sc.add_DirectionalLight(Ldir = vec3(0.52,0.45, -0.5),  color = rgb(0.15, 0.15, 0.15))


Sc.add(Sphere(material = gold_metal, center = vec3(-.75, .1, -3.),radius =  .6, max_ray_depth = 3))
Sc.add(Sphere(material = bluish_metal, center = vec3(1.25, .1, -3.), radius = .6, max_ray_depth = 3))

Sc.add(Plane(material = floor,  center = vec3(0, -0.5, -3.0), width = 120.0,height = 120.0, u_axis = vec3(1.0, 0, 0), v_axis = vec3(0, 0, -1.0),  max_ray_depth = 3))

#see sightpy/backgrounds
Sc.add_Background("stormydays.png")




# Render 
img = Sc.render(samples_per_pixel = 6)

img.save("EXAMPLE1.png")

img.show()