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tidy up
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‎external_library/java/pixel_flow/skylight_basic.rb‎

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#!/usr/bin/env jruby
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require 'propane'
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#
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# PixelFlow | Copyright (C) 2017 Thomas Diewald (www.thomasdiewald.com)
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# Translated to JRubyArt by Martin Prout
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#
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# src - www.github.com/diwi/PixelFlow
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#
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# A Processing/Java library for high performance GPU-Computing.
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# MIT License: https://opensource.org/licenses/MIT
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#
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class SkylightBasic < Propane::App
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load_libraries :peasycam, :pixel_flow
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module Skylight # Namespace for java classes
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java_import 'com.thomasdiewald.pixelflow.java.DwPixelFlow'
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# java_import 'com.thomasdiewald.pixelflow.java.render.skylight.DwSceneDisplay'
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java_import 'com.thomasdiewald.pixelflow.java.render.skylight.DwSkyLight'
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java_import 'com.thomasdiewald.pixelflow.java.utils.DwBoundingSphere'
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java_import 'com.thomasdiewald.pixelflow.java.utils.DwVertexRecorder'
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java_import 'peasy.PeasyCam'
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end
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include Skylight
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# Basic setup for the Skylight renderer.
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#
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# Its important to compute or define a most optimal bounding-sphere for the
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# scene. self can be done manually or automatically, as shown in self example.
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#
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# Any existing sketch utilizing the P3D renderer can be extended to use the
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# Skylight renderer.
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#
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VIEWPORT_W = 1280
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VIEWPORT_H = 720
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VIEWPORT_X = 230
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VIEWPORT_Y = 0
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attr_reader :peasycam, :shape, :skylight, :cam_active, :cam_pos
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def settings
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size(VIEWPORT_W, VIEWPORT_H, P3D)
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smooth(0)
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end
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def setup
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surface.setLocation(VIEWPORT_X, VIEWPORT_Y)
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# camera
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@peasycam = PeasyCam.new(self, -4.083, -6.096, 7.000, 1500)
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peasycam.set_rotations(1.085, -0.477, 2.910)
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peasycam.set_distance(100)
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@cam_pos = [0, 0, 0]
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@cam_active = false
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# projection
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perspective(60 * DEG_TO_RAD, width / height.to_f, 2, 5000)
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# load obj file into shape-object
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@shape = load_shape(data_path('skylight_demo_scene.obj'))
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# record list of vertices of the given shape
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vertex_recorder = DwVertexRecorder.new(self, shape)
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# compute scene bounding-sphere
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scene_bs = DwBoundingSphere.new
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scene_bs.compute(vertex_recorder.verts, vertex_recorder.verts_count)
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# used for centering and re-scaling the scene
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mat_scene_bounds = scene_bs.getUnitSphereMatrix
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# library context
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context = DwPixelFlow.new(self)
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context.print
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context.printGL
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# callback DwSceneDisplay for rendering scene, implementa interface as a proc
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display = -> (canvas) do
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if(canvas == skylight.renderer.pg_render)
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canvas.background(32)
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end
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canvas.shape(shape)
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end
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# init skylight renderer
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@skylight = DwSkyLight.new(context, display, mat_scene_bounds)
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# parameters for sky-light
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skylight.sky.param.iterations = 50
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skylight.sky.param.solar_azimuth = 0
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skylight.sky.param.solar_zenith = 0
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skylight.sky.param.sample_focus = 1 # full sphere sampling
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skylight.sky.param.intensity = 1.0
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skylight.sky.param.rgb = [1.0, 1.0, 1.0]
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skylight.sky.param.shadowmap_size = 256 # quality vs. performance
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# parameters for sun-light
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skylight.sun.param.iterations = 50
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skylight.sun.param.solar_azimuth = 45
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skylight.sun.param.solar_zenith = 55
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skylight.sun.param.sample_focus = 0.05
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skylight.sun.param.intensity = 1.0
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skylight.sun.param.rgb = [1.0, 1.0, 1.0]
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skylight.sun.param.shadowmap_size = 512
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frame_rate(1000)
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end
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def draw
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# when the camera moves, the renderer restarts
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update_cam_active
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skylight.reset if(cam_active)
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# update renderer
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skylight.update
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peasycam.beginHUD
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# display result
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image(skylight.renderer.pg_render, 0, 0)
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# image(skylight.sky.getSrc, 0, 0)
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peasycam.endHUD
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# some info, window title
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sun_pass = skylight.sun.RENDER_PASS
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sky_pass = skylight.sky.RENDER_PASS
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title_format = 'Basic Skylight | sun: %d sky: %d fps: %6.2f'
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surface.set_title(format(title_format, sun_pass, sky_pass, frame_rate))
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end
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def update_cam_active
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cam_pos_curr = peasycam.getPosition
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@cam_active = false
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@cam_active |= cam_pos_curr[0] != cam_pos[0]
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@cam_active |= cam_pos_curr[1] != cam_pos[1]
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@cam_active |= cam_pos_curr[2] != cam_pos[2]
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@cam_pos = cam_pos_curr
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end
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def print_camera
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pos = peasycam.get_position
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rot = peasycam.get_rotations
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lat = peasycam.get_look_at
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dis = peasycam.get_distance
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cam_format = '%s: (%7.3f, %7.3f, %7.3f)'
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dist_format = 'distance: (%7.3f)'
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puts format(cam_format, 'position', pos[0], pos[1], pos[2])
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puts format(cam_format, 'rotation', rot[0], rot[1], rot[2])
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puts format(cam_format, 'look_at', lat[0], lat[1], lat[2])
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puts format(dist_format, dis)
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end
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def key_released
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print_camera
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end
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end
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SkylightBasic.new
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#!/usr/bin/env jruby
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require 'propane'
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#
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# PixelFlow | Copyright (C) 2017 Thomas Diewald (www.thomasdiewald.com)
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# Translated to propane by Martin Prout
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#
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# src - www.github.com/diwi/PixelFlow
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#
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# A Processing/Java library for high performance GPU-Computing.
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# MIT License: https://opensource.org/licenses/MIT
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#
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class SkylightBasic < Propane::App
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load_libraries :peasycam, :pixel_flow
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# Basic setup for the Skylight renderer.
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#
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# Its important to compute or define a most optimal bounding-sphere for the
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# scene. self can be done manually or automatically, as shown in self example.
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#
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# Any existing sketch utilizing the P3D renderer can be extended to use the
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# Skylight renderer.
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module Skylight # Namespace for java classes
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java_import 'com.thomasdiewald.pixelflow.java.DwPixelFlow'
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java_import 'com.thomasdiewald.pixelflow.java.render.skylight.DwSkyLight'
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java_import 'com.thomasdiewald.pixelflow.java.utils.DwBoundingSphere'
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java_import 'com.thomasdiewald.pixelflow.java.utils.DwVertexRecorder'
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java_import 'peasy.PeasyCam'
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end
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include Skylight # so we don't need fully qualified names for java classes
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VIEWPORT_W = 1280
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VIEWPORT_H = 720
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VIEWPORT_X = 230
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VIEWPORT_Y = 0
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attr_reader :peasycam, :shape, :skylight, :cam_active, :cam_pos
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def settings
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size(VIEWPORT_W, VIEWPORT_H, P3D)
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smooth(0)
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end
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def setup
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surface.setLocation(VIEWPORT_X, VIEWPORT_Y)
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# camera
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@peasycam = PeasyCam.new(self, -4.083, -6.096, 7.000, 1500)
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peasycam.set_rotations(1.085, -0.477, 2.910)
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peasycam.set_distance(100)
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@cam_pos = [0, 0, 0]
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@cam_active = false
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# projection
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perspective(60 * DEG_TO_RAD, width / height.to_f, 2, 5000)
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# load obj file into shape-object
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@shape = load_shape(data_path('skylight_demo_scene.obj'))
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# record list of vertices of the given shape
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vertex_recorder = DwVertexRecorder.new(self, shape)
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# compute scene bounding-sphere
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scene_bs = DwBoundingSphere.new
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scene_bs.compute(vertex_recorder.verts, vertex_recorder.verts_count)
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# used for centering and re-scaling the scene
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mat_scene_bounds = scene_bs.getUnitSphereMatrix
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# library context
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context = DwPixelFlow.new(self)
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context.print
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context.printGL
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# callback for rendering scene, implements DwSceneDisplay interface
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display = lambda do |canvas|
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canvas.background(32) if canvas == skylight.renderer.pg_render
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canvas.shape(shape)
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end
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# init skylight renderer
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@skylight = DwSkyLight.new(context, display, mat_scene_bounds)
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# parameters for sky-light
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param = skylight.sky.param
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param.iterations = 50
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param.solar_azimuth = 0
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param.solar_zenith = 0
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param.sample_focus = 1 # full sphere sampling
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param.intensity = 1.0
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param.rgb = [1.0, 1.0, 1.0]
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param.shadowmap_size = 256 # quality vs. performance
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# parameters for sun-light
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param = skylight.sun.param
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param.iterations = 50
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param.solar_azimuth = 45
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param.solar_zenith = 55
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param.sample_focus = 0.05
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param.intensity = 1.0
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param.rgb = [1.0, 1.0, 1.0]
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param.shadowmap_size = 512
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frame_rate(1000)
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end
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def draw
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# when the camera moves, the renderer restarts
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update_cam_active
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skylight.reset if cam_active
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# update renderer
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skylight.update
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peasycam.beginHUD
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# display result
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image(skylight.renderer.pg_render, 0, 0)
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# image(skylight.sky.getSrc, 0, 0)
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peasycam.endHUD
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# some info, window title
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sun_pass = skylight.sun.RENDER_PASS
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sky_pass = skylight.sky.RENDER_PASS
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title_format = 'Basic Skylight | sun: %d sky: %d fps: %6.2f'
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surface.set_title(format(title_format, sun_pass, sky_pass, frame_rate))
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end
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def update_cam_active
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cam_pos_curr = peasycam.getPosition
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@cam_active = false
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@cam_active |= cam_pos_curr[0] != cam_pos[0]
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@cam_active |= cam_pos_curr[1] != cam_pos[1]
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@cam_active |= cam_pos_curr[2] != cam_pos[2]
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@cam_pos = cam_pos_curr
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end
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def print_camera
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pos = peasycam.get_position
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rot = peasycam.get_rotations
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lat = peasycam.get_look_at
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dis = peasycam.get_distance
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cam_format = '%s: (%7.3f, %7.3f, %7.3f)'
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dist_format = 'distance: (%7.3f)'
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puts format(cam_format, 'position', pos[0], pos[1], pos[2])
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puts format(cam_format, 'rotation', rot[0], rot[1], rot[2])
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puts format(cam_format, 'look_at', lat[0], lat[1], lat[2])
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puts format(dist_format, dis)
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end
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def key_released
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print_camera
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end
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end
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SkylightBasic.new

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