joons media demo

Author: monkstone

external_library/gem/joonsrenderer/media_demo.rb

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+#!/usr/bin/env jruby
+# frozen_string_literal: true
+require 'propane'
+require 'joonsrenderer'
+
+class MediaDemo < Propane::App
+  include_package 'joons'
+
+  attr_reader :jr, :eye, :center, :up
+
+  def setup
+    sketch_title 'Media Demo'
+    @jr = JoonsRenderer.new(self)
+    jr.set_sampler('ipr') # Rendering mode, either 'ipr' or 'bucket'.
+    jr.set_size_multiplier(2) # Set size of PNG file as a multiple of Processing sketch size.
+    jr.setAA(-2, 0) # Set anti aliasing, (aaMin, aaMax, aaSamples). aaMin & aaMax = .. -2, -1, .. , 1, 2 .. aaMin < aaMax.
+    jr.set_caustics(10) # Set caustics. 1, 5, 10 .., affects quality of light reflected & refracted through glass.
+    # Camera Setting.
+    @eye = Vec3D.new(0, 0, 120)
+    @center = Vec3D.new(0, 0, -1)
+    @up = Vec3D.new(0, 1, 0)
+  end
+
+  def draw
+    jr.begin_record # Make sure to include things you want rendered.
+    kamera(eye: eye, center: center, up: up)
+    perspektiv(fov: PI / 4.0, aspect_ratio: 4 / 3.0, near_z: 5, far_z: 10_000)
+    jr.background('gi_instant') # Global illumination.
+    jr.background('cornell_box', 100, 100, 100) # Cornell box, width, height, depth.
+    push_matrix
+    translate(-40, 20, -20)
+    push_matrix
+    rotateY(-PI / 8)
+    # jr.fill('light', r, g, b)
+    jr.fill('light', 5, 5, 5)
+    sphere(13)
+    translate(27, 0, 0)
+    # jr.fill('mirror', r, g, b)
+    jr.fill('mirror', 255, 255, 255)
+    sphere(13)
+    translate(27, 0, 0)
+    # jr.fill('diffuse', r, g, b)
+    jr.fill('diffuse', 150, 255, 255)
+    sphere(13)
+    translate(27, 0, 0)
+    # jr.fill('shiny', r, g, b, shininess)
+    jr.fill('shiny', 150, 255, 255, 0.1)
+    sphere(13)
+    translate(27, 0, 0)
+    pop_matrix
+    rotateY(PI / 8)
+    translate(-10, -27, 30)
+    # jr.fill('ambient occlusion', bright r, g, b, dark r, g, b, maximum distance, int samples)
+    jr.fill('ambient_occlusion', 150, 255, 255, 0, 0, 255, 50, 16)
+    sphere(13)
+    translate(27, 0, 0)
+    # jr.fill('phong', r, g, b)
+    jr.fill('phong', 150, 255, 255)
+    sphere(13)
+    translate(27, 0, 0)
+    # jr.fill('glass', r, g, b)
+    jr.fill('glass', 255, 255, 255)
+    sphere(13)
+    translate(27, 0, 0)
+    # jr.fill('constant', r, g, b)
+    jr.fill('constant', 150, 255, 255)
+    sphere(13)
+    pop_matrix
+    jr.end_record # Make sure to end record.
+    # Display rendered image if render is completed, and the argument is true.
+    jr.display_rendered(true)
+  end
+
+  def key_pressed
+    jr.render if (key == 'r' || key == 'R')  # Press 'r' key to start rendering.
+  end
+
+  def settings
+    size(800, 600, P3D)
+  end
+end
+
+MediaDemo.new