def __init__(self, plus):
renderer = plus.GetRenderer()
# create primitive index buffer
data = hg.BinaryData()
data.WriteInt16s([0, 1, 2, 0, 2, 3])
self.indices = renderer.NewBuffer()
renderer.CreateBuffer(self.indices, data, hg.GpuBufferIndex)
# create primitive vertex buffer
self.vertex_layout = hg.VertexLayout()
self.vertex_layout.AddAttribute(hg.VertexPosition, 3, hg.VertexFloat)
self.vertex_layout.AddAttribute(
hg.VertexUV0, 2, hg.VertexUByte, True
) # UVs are sent as normalized 8 bit unsigned integer (range [0;255])
data = hg.BinaryData()
x, y = 1, 1
data.WriteFloats([-x, -y, 0])
data.WriteUInt8s([0, 0])
data.WriteFloats([-x, y, 0])
data.WriteUInt8s([0, 255])
data.WriteFloats([x, y, 0])
data.WriteUInt8s([255, 255])
data.WriteFloats([x, -y, 0])
data.WriteUInt8s([255, 0])
self.vertex = renderer.NewBuffer()
renderer.CreateBuffer(self.vertex, data, hg.GpuBufferVertex)
def setup():
global uvdens_tex, uvdens_render_target, uvdens_tex_prev, uvdens_render_target_prev
global idx, vtx, vtx_layout
global shader, shader_set_inputs, shader_add_sources, shader_draw_uvdens, shader_lin_solve, shader_advect, shader_projectA, shader_projectB
renderer = plus.GetRenderer()
# create the 2 render target
def create_tex_and_render_target():
tex = renderer.NewTexture()
pic = hg.Picture(size, size, hg.PictureRGBAF)
renderer.CreateTexture(
tex, pic, hg.TextureIsRenderTarget | hg.TextureIsShaderResource)
render_target = renderer.NewRenderTarget()
renderer.CreateRenderTarget(render_target)
renderer.SetRenderTargetColorTexture(render_target, tex)
return tex, render_target
uvdens_tex, uvdens_render_target = create_tex_and_render_target()
uvdens_tex_prev, uvdens_render_target_prev = create_tex_and_render_target()
# Create index buffer
data = hg.BinaryData()
data.WriteInt16s([0, 1, 2, 0, 2, 3])
idx = renderer.NewBuffer()
renderer.CreateBuffer(idx, data, hg.GpuBufferIndex)
# Create vertex buffer
vtx_layout = hg.VertexLayout()
vtx_layout.AddAttribute(hg.VertexPosition, 3, hg.VertexFloat)
vtx_layout.AddAttribute(hg.VertexUV0, 2, hg.VertexUByte)
data = hg.BinaryData()
x, y = 1, 1
data.WriteFloats([-x, -y, 0.5])
data.WriteUInt8s([0, 0])
data.WriteFloats([-x, y, 0.5])
data.WriteUInt8s([0, 1])
data.WriteFloats([x, y, 0.5])
data.WriteUInt8s([1, 1])
data.WriteFloats([x, -y, 0.5])
data.WriteUInt8s([1, 0])
vtx = renderer.NewBuffer()
renderer.CreateBuffer(vtx, data, hg.GpuBufferVertex)
# Load shader.
shader = renderer.LoadShader("@assets/vel.isl")
shader_set_inputs = renderer.LoadShader("@assets/set_inputs.isl")
shader_add_sources = renderer.LoadShader("@assets/add_source.isl")
shader_draw_uvdens = renderer.LoadShader("@assets/draw_uvdens.isl")
shader_lin_solve = renderer.LoadShader("@assets/lin_solve.isl")
shader_advect = renderer.LoadShader("@assets/advect.isl")
shader_projectA = renderer.LoadShader("@assets/projectA.isl")
shader_projectB = renderer.LoadShader("@assets/projectB.isl")
import harfang as hg import math hg.LoadPlugins() # create a few bench objects bench_fill_field = [] bench_polygonise = [] bench_create_geo = [] # setup iso field w, h, d = 100, 60, 30 field = hg.BinaryData() field.Grow(w * h * d) for i in range(w * h * d): field.WriteFloat(0) iso = hg.IsoSurface() def draw_bench(perf_hist, color): size = len(perf_hist) while size > (257): perf_hist.pop(0) size -= 1 k_x = 1280 / 256 # display all values on screen k_y = 720 / (16 * 1000) # y goes up to 16ms for i in range(size - 1):
renderer = hg.CreateRenderer()
renderer.Open()
# open a new window
win = hg.NewWindow(480, 240)
# create a new output surface for the newly opened window
surface = renderer.NewOutputSurface(win)
renderer.SetOutputSurface(surface)
# load 2d shader and retrieve variables
shader_color = renderer.LoadShader("_data/shader_2d_color.isl")
shader_texture = renderer.LoadShader("_data/shader_2d_single_texture.isl")
# create primitive index buffer
data = hg.BinaryData()
data.WriteUInt16s([0, 1, 2])
idx = renderer.NewBuffer()
renderer.CreateBuffer(idx, data, hg.GpuBufferIndex)
# create primitive vertex buffer
vtx_layout = hg.VertexLayout()
vtx_layout.AddAttribute(hg.VertexPosition, 3, hg.VertexFloat)
vtx_layout.AddAttribute(
hg.VertexUV0, 2, hg.VertexUByte,
True) # UVs are sent as normalized 8 bit unsigned integer (range [0;255])
data = hg.BinaryData()
x, y = 0.5, 0.5
# Convert from any supported audio file format to a PCM file
import harfang as hg
import os
hg.LoadPlugins()
hg.MountFileDriver(hg.StdFileDriver())
# open input file as an audio data source
src = hg.GetAudioIO().Open('_data/skaven.it')
# open output file
out = hg.GetFilesystem().Open('skaven.pcm', hg.FileWrite)
pcm = hg.BinaryData()
while src.GetState() != hg.AudioDataEnded:
# get PCM frame to the binary blob
size, timestamp = src.GetFrame(pcm)
# output PCM frame to the file handle
out.Write(pcm)
# reset the binary blob, do not free storage
pcm.Reset()
# - or - extract all PCM data to a huge binary blob and save it to file (consumes much more memory)
"""
# extract all PCM data from the source as a binary blob
sze = hg.ExtractAudioData(src, pcm)
# save the complete PCM binary blob to a file