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FractalGutter.fuse
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--[[--
FractalGutter
Based on https://www.shadertoy.com/view/ttjBD1 a WebGL
shader from shadertoy.com converted to DCTL and embeddet
into a Lua Fuse by JiPi (https://www.youtube.com/channel/UCItO4q_3JgMVV2MFIPDGQGg)
for use in DaFusion.
Shader created by gaz
V0.1
V0.2
V0.3
V0.4
--]] --
-- MANDATORY -----------------------------------------------------------------
local shadertoy_name = "FractalGutter"
local shadertoy_author = "gaz"
local shadertoy_id = "ttjBD1"
local shadertoy_license = "CC BY-NC-SA 3.0"
local dctlfuse_category = "Fractals"
local dctlfuse_name = "FractalGutter"
local dctlfuse_author = "JiPi"
-- OPTIONAL ------------------------------------------------------------------
local dctlfuse_versionNo = 1
local dctlfuse_versionDate = "10st of April 2021"
local dctlfuse_authorurl = "https://www.youtube.com/c/JiPi_YT"
local dctlfuse_authorlogo = 'width="320" height="60" 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"'
FC_DEVEVELOP = true
-- // ------------------------------------------------------------------------
-- // Registry declaration
-- // ------------------------------------------------------------------------
FuRegisterClass(
(FC_PREFIX==nil and "ST_" or (FC_PREFIX=="" and "" or FC_PREFIX.."_"))..dctlfuse_name, CT_SourceTool, { REGS_Category = (FC_SUBMENU==nil and "Shadertoys (dev)" or (FC_SUBMENU=="" and "Fuses" or FC_SUBMENU))..((FC_CATEGORY==nil or FC_CATEGORY=="") and "" or "\\"..FC_CATEGORY), REGS_OpIconString = (SC_PREFIX==nil and "ST-" or (SC_PREFIX=="" and "" or FC_PREFIX.."-"))..shadertoy_id,
REGS_OpDescription = "Shadertoy '"..shadertoy_name.."' (ID: "..shadertoy_id..") created by "..shadertoy_author.." and ported by "..dctlfuse_author..(shadertoy_license == "" and ". Copyright "..shadertoy_author.." (CC BY-NC-SA 3.0)" or ". "..shadertoy_license)..". This port is by no means meant to take advantage of anyone or to do anyone wrong : Contact us on Discord (https://discord.gg/75FUn4N4pv) and/or GitHub (https://github.com/nmbr73/Shadertoys) if you see your rights abused or your intellectual property violated by this work.",
REG_Fuse_NoEdit = not(FC_DEVELOP==nil or FC_DEVELOP==true), REG_Fuse_NoReload = not(FC_DEVELOP==nil or FC_DEVELOP==true), REG_Fuse_TilePic = FC_TITLEPIC, REGS_Company = dctlfuse_company==nil and dctlfuse_author or dctlfuse_company, REGS_URL = dctlfuse_authorurl==nil and "https://nmbr73.github.io/Shadertoys/" or dctlfuse_authorurl,
REG_Version = FC_VERSIONNO~=nil and FC_VERSIONNO or (dctlfuse_versionNo==nil and 1 or dctlfuse_versionNo),
REG_NoObjMatCtrls = true,
REG_NoMotionBlurCtrls = true,
REG_Source_GlobalCtrls = true,
REG_Source_SizeCtrls = true,
REG_Source_AspectCtrls = true,
REG_Source_DepthCtrls = true,
REG_OpNoMask = true,
REG_Fuse_NoEdit = not(FC_DEVEVELOP),
REG_Fuse_NoReload = not(FC_DEVEVELOP),
REG_TimeVariant = true,
REG_NoPreCalcProcess = true, -- call Process for precalc requests (instead of PreCalcProcess)
})
dctlfuse_versionNo = dctlfuse_versionNo/10
-- // ------------------------------------------------------------------------
-- // DCTL kernel parameters
-- // ------------------------------------------------------------------------
FractalGutterParams =
[[
float center[2];
float angle;
float pivot[2];
float debug;
float scale;
float freq;
float look[3];
float color[3];
float color2[3];
int width;
int height;
float itime;
int compOrder;
]]
-- source of kernel
FractalGutterKernel =
[[
//-----------------------
//-------- mat2 ---------
//-----------------------
typedef struct
{
float2 r0, r1;
} mat2;
__DEVICE__ inline mat2 make_mat2( float A, float B, float C, float D)
{
mat2 E;
E.r0 = to_float2(A,B);
E.r1 = to_float2(C,D);
return E;
}
__DEVICE__ inline float2 mat2_multi_f2( mat2 B, float2 A)
{
float2 C;
C.x = A.x * B.r0.x + A.y * B.r0.y;
C.y = A.x * B.r1.x + A.y * B.r1.y;
return C;
}
#if defined(DEVICE_IS_OPENCL) || defined(DEVICE_IS_METAL)
__DEVICE__ float3 reflect(float3 I, float3 N) {return I - 2.0f * dot(N, I) * N;}
#endif
#define fract_f(a) a - _floor(a)
__DEVICE__ float3 abs_f3(float3 a) {return (to_float3(_fabs(a.x), _fabs(a.y),_fabs(a.z)));}
__DEVICE__ float3 cos_f3(float3 i) {float3 r; r.x = _cosf(i.x); r.y = _cosf(i.y); r.z = _cosf(i.z); return r;}
#define swixy(V) to_float2((V).x,(V).y)
#define swiyz(V) to_float2((V).y,(V).z)
#define swixz(V) to_float2((V).x,(V).z)
#define swizx(V) to_float2((V).z,(V).x)
#define rot(a) make_mat2(_cosf(a),_sinf(a),-_sinf(a),_cosf(a))
//float orbit;
__DEVICE__ float map(float3 p, float itime, float *orbit){
//p.yz*=rot(itime*0.05f);
//p.xz*=rot(itime*0.1f);
float2 pyz = mat2_multi_f2(rot(itime*0.05f), swiyz(p) );
p.y=pyz.x;p.z=pyz.y;
float2 pxz = mat2_multi_f2(rot(itime*0.1f), swixz(p) );
p.x=pxz.x;p.z=pxz.y;
p=abs_f3(p)-3.0f;
//if(p.x<p.z)p.xz=p.zx;
if(p.x<p.z){
float2 pzx=to_float2(p.z,p.x);
p.x=pzx.x;p.z=pzx.y;
}
//if(p.y<p.z)p.yz=p.zy;
if(p.y<p.z){
float2 pzy=to_float2(p.z,p.y);
p.y=pzy.x;p.z=pzy.y;
}
//if(p.x<p.y)p.xy=p.yx;
if(p.x<p.y){
float2 pyx=to_float2(p.y,p.x);
p.x=pyx.x;p.y=pyx.y;
}
float s=2.0f;
float3 off=p*0.5f;
for(int i=0;i<12;i++){
p=1.0f-abs_f3(p-1.0f);
float k=-1.1f*_fmaxf(1.5f/dot(p,p),1.5f);
s*=_fabs(k);
p*=k;
p+=off;
//p.zx*=rot(-1.2f);
float2 pzx = mat2_multi_f2(rot(-1.2f), swizx(p) );
p.z=pzx.x;p.x=pzx.y;
}
*orbit=_log2f(s);
float a=2.5f;
p-=clamp(p,-a,a);
return length(p)/s;
}
__DEVICE__ float3 calcNormal(float3 pos, float itime, float *orbit){
float2 e = to_float2(1,-1) * 0.002f;
float3 exyy = to_float3(e.x,e.y,e.y);
float3 eyxy = to_float3(e.y,e.x,e.y);
float3 eyyx = to_float3(e.y,e.y,e.x);
return normalize(
exyy*map(pos+exyy, itime, orbit)+eyyx*map(pos+eyyx, itime, orbit)+
eyxy*map(pos+eyxy, itime, orbit)+e.x*map(pos+e.x, itime, orbit)
);
}
__DEVICE__ float march(float3 ro, float3 rd, float near, float far, float itime, float *orbit)
{
float t=near,d;
for(int i=0;i<80;i++)
{
t+=d=map(ro+rd*t, itime, orbit);
if (d<0.001f) return t;
if (t>=far) return far;
}
return far;
}
__DEVICE__ float calcShadow( float3 light, float3 ld, float len, float itime, float *orbit ) {
float depth = march( light, ld, 0.0f, len, itime, orbit );
return step( len - depth, 0.01f );
}
__DEVICE__ float2 spin(float2 uv, float2 center, float angle, float aspect)
{
float C = _cosf(angle);
float S = _sinf(angle);
uv -= center;
float x = uv.x;
uv.x = (x*aspect * C - uv.y * S);
uv.y = (x*aspect * S + uv.y * C);
uv += center;
return uv;
}
//############################################################################################################################
__KERNEL__ void FractalGutterKernel(__CONSTANTREF__ FractalGutterParams *params, __TEXTURE2D__ iChannel0, __TEXTURE2D_WRITE__ dst)
{
DEFINE_KERNEL_ITERATORS_XY(x, y);
//---------------------------------------
if (x < params->width && y < params->height)
{
//-----------------------
float2 fragCoord = to_float2(x, y);
float2 iResolution = to_float2(params->width, params->height);
float ratio = (float)params->width/(float)params->height;
float itime=params->itime * params->freq;
float4 fragColor = to_float4_s(0.0f);
//-----------------------
//Functionality.......
float orbit;
float2 uv = (fragCoord* 2.0f - iResolution) / iResolution.y;
// Standardparameter
uv -= to_float2( (params->center[0]-0.5f)*2.0f*ratio, (params->center[1]-0.5f)*2.0f); //*ratio*2.0f
uv *= params->scale;
float2 pivot = to_float2(((params->pivot[0]-0.5f)*2.0f*ratio),(params->pivot[1]-0.5f)*2.0f); //*ratio
uv = spin(uv, pivot, params->angle, 1.0f);
float3 ro = to_float3(0,0,9.0f+_sinf(0.3f*itime+0.4f*_sinf(0.2f*itime)));
ro+=to_float3_v(params->look);
float3 rd = normalize(to_float3_aw(uv,-2.0f));
float3 col = to_float3_s(0);
const float maxd = 40.0f;
float t = march(ro,rd,0.0f,maxd, itime, &orbit);
if(t<maxd)
{
float3 p=ro+rd*t;
col=2.0f*clamp(_mix(to_float3_s(1),
//3.0f*(cos_f3(to_float3(2,5,17)+orbit*2.0f+p*0.3f)*0.5f+0.5f),
3.0f*(cos_f3(to_float3_v(params->color)*10.0f+orbit*2.0f+p*0.3f)*0.5f+0.5f),
0.7f),0.0f,1.0f);
float3 n = calcNormal(p,itime, &orbit);
float3 lightPos=to_float3_s(10);
float3 li = lightPos - p;
float len = length( li );
li /= len;
float dif = clamp(dot(n, li), 0.5f, 1.0f);
float sha = calcShadow( lightPos, -li, len, itime, &orbit );
col *= _fmaxf(sha*dif, 0.4f);
float rimd = _powf(clamp(1.0f - dot(reflect(-li, n), -rd), 0.0f, 1.0f), 2.5f);
float frn = rimd+2.2f*(1.0f-rimd);
col *= frn*0.7f;
col *= _fmaxf(0.5f+0.5f*n.y, 0.0f);
col *= _exp2f(-2.0f*_powf(_fmaxf(0.0f, 1.0f-map(p+n*0.3f, itime, &orbit)/0.3f),2.0f));
col += to_float3_v(params->color2)*_powf(clamp(dot(reflect(rd, n), li), 0.0f, 1.0f), 60.0f);
col = _mix(to_float3_s(0),col,_expf(-t*t*0.003f));
}
fragColor = to_float4_aw(clamp(col,0.0f,1.0f),1.0f);
_tex2DVec4Write(dst, x, y, fragColor);
}
}
]]
-------------------------------------------------------------------
-- Create
-------------------------------------------------------------------
function Create()
StandardShaderFuseTopControls();
Sep1 = self:AddInput(string.rep("_", 52), "Separator1", {
LINKID_DataType = "Text",
INPID_InputControl = "LabelControl",
INP_External = false,
INP_Passive = true,
})
--------------- FractalGutter ---------------
InCenter = self:AddInput("Center", "Center", {
LINKID_DataType = "Point",
INPID_InputControl = "OffsetControl",
INPID_PreviewControl = "CrosshairControl",
INP_DoNotifyChanged = true,
})
InScale = self:AddInput("Scale", "Scale", {
LINKID_DataType = "Number",
INPID_InputControl = "SliderControl",
--INPID_PreviewControl = "RectangleControl",
RCD_LockAspect = 1,
RC_DoLockAspect = true,
RCID_Center = "Center",
INP_Default = 1.0,
INP_MinAllowed = 0.1,
INP_MaxAllowed = 5.0,
})
InDebug = self:AddInput("Debug", "Debug", {
LINKID_DataType = "Number",
INPID_InputControl = "SliderControl",
INP_Default = 1.0,
--INP_MinScale = 0.0,
--INP_MaxScale = 5.0,
--INPID_PreviewControl = "RectangleControl",
RCD_LockAspect = 1,
RC_DoLockAspect = true,
RCID_Center = "Center",
IC_Visible = false,
})
InAngle = self:AddInput("Angle", "Angle", {
LINKID_DataType = "Number",
INPID_InputControl = "ScrewControl",
INPID_PreviewControl = "AngleControl",
--INP_MinAllowed = 0.0,
INP_MinScale = 0.0,
INP_MaxScale = 360.0,
INP_Default = 0.0,
ACID_Center = "Center",
--PC_GrabPriority = 1 -- give this a higher priority than the rectangle
})
InPivot = self:AddInput("Pivot", "Pivot", {
LINKID_DataType = "Point",
INPID_InputControl = "OffsetControl",
INPID_PreviewControl = "CrosshairControl",
CHC_Style = "DiagonalCross",
PC_GrabPriority = -1,
})
InWidgets = self:AddInput("On-Screen Widgets", "OnScreen Widgets", {
LINKID_DataType = "Number",
INPID_InputControl = "MultiButtonControl",
INP_Default = 0,
INP_Integer = true,
INP_External = false,
INP_Passive = true,
INP_DoNotifyChanged = true,
MBTNC_ForceButtons = true,
MBTNC_StretchToFit = true,
{ MBTNC_AddButton = "Show", },
{ MBTNC_AddButton = "Hide", },
})
Sep2 = self:AddInput(string.rep("_", 52), "Separator2", {
LINKID_DataType = "Text",
INPID_InputControl = "LabelControl",
INP_External = false,
INP_Passive = true,
})
InFrequency = self:AddInput("Frequency", "Frequency", {
LINKID_DataType = "Number",
INPID_InputControl = "SliderControl",
INP_Default = 1.0,
--INP_MinAllowed = -1.0,
--INP_MaxAllowed = 1.0,
})
InStop = self:AddInput("Stop", "Stop", {
LINKID_DataType = "Number",
INPID_InputControl = "CheckboxControl",
INP_Integer = true,
INP_DoNotifyChanged = true,
INP_Default = 0,
IC_Visible = true,
--INP_External = false,
})
InStartStop = self:AddInput("", "StartStop", {
{ MBTNC_AddButton = "Stop", MBTNCID_AddID = "StopAnimation", },
{ MBTNC_AddButton = "Start", MBTNCID_AddID = "StartAnimation", },
INPID_DefaultID = "StartAnimation",
LINKID_DataType = "FuID",
INPID_InputControl = "MultiButtonIDControl",
ICD_Width = 1.0,
MBTNC_StretchToFit = true,
MBTNC_ForceButtons = true,
INP_DoNotifyChanged = true,
IC_Visible = false,
--INP_External = false,
})
InActtime = self:AddInput("Acttime", "Acttime", {
LINKID_DataType = "Number",
INPID_InputControl = "SliderControl",
INP_Default = 0.0,
IC_Visible = false,
--INP_MinAllowed = -1.0,
--INP_MaxAllowed = 1.0,
})
InTimeoffset = self:AddInput("Timeoffset", "Timeoffset", {
LINKID_DataType = "Number",
INPID_InputControl = "SliderControl",
INP_Default = 0.0,
--INP_MinAllowed = -1.0,
--INP_MaxAllowed = 1.0,
})
self:BeginControlNest("Parameter", "Par", true, {})
InLook = self:AddInput("Look","Look", {
LINKID_DataType = "Point",
INPID_InputControl = "OffsetControl",
INP_DoNotifyChanged = false,
INP_DefaultX = 0.0,
INP_DefaultY = 0.0,
XF_XAxis = -1,
XF_YAxis = -1,
XF_XSize = 1,
XF_YSize = 1,
XF_Angle = 0,
XF_EdgeMode = "Black"
})
InLookZ = self:AddInput("LookZ", "LookZ", {
LINKID_DataType = "Number",
INPID_InputControl = "SliderControl",
INP_Default = 0.0,
--INP_MinAllowed = -1.0,
--INP_MaxAllowed = 1.0,
})
InRedCH = self:AddInput("Red", "RedCH", {
ICS_Name = "Color1",
LINKID_DataType = "Number",
INPID_InputControl = "ColorControl",
INP_Default = 0.2,
INP_MaxScale = 0.5,
CLRC_ShowWheel = false,
IC_ControlGroup = 1,
IC_ControlID = 0,
})
InGreenCH = self:AddInput("Green", "GreenCH", {
LINKID_DataType = "Number",
INPID_InputControl = "ColorControl",
INP_Default = 0.5,
IC_ControlGroup = 1,
IC_ControlID = 1,
})
InBlueCH = self:AddInput("Blue", "BlueCH", {
LINKID_DataType = "Number",
INPID_InputControl = "ColorControl",
INP_Default = 1.7,
IC_ControlGroup = 1,
IC_ControlID = 2,
})
InRed2CH = self:AddInput("Red", "Red2CH", {
ICS_Name = "Color1",
LINKID_DataType = "Number",
INPID_InputControl = "ColorControl",
INP_Default = 0.5,
INP_MaxScale = 0.5,
CLRC_ShowWheel = false,
IC_ControlGroup = 2,
IC_ControlID = 0,
})
InGreen2CH = self:AddInput("Green", "Green2CH", {
LINKID_DataType = "Number",
INPID_InputControl = "ColorControl",
INP_Default = 0.4,
IC_ControlGroup = 2,
IC_ControlID = 1,
})
InBlue2CH = self:AddInput("Blue", "Blue2CH", {
LINKID_DataType = "Number",
INPID_InputControl = "ColorControl",
INP_Default = 0.9,
IC_ControlGroup = 2,
IC_ControlID = 2,
})
self:EndControlNest()
--------------------------------------------
StandardShaderFuseBottomControls();
--------------------------------------------
------------------- In/Out -----------------
InImage1 = self:AddInput("Image", "Image", {
LINKID_DataType = "Image",
LINK_Main = 1,
LINK_Visible = false,
INP_Required = false
})
OutImage = self:AddOutput("Output", "Output", {
LINKID_DataType = "Image",
LINK_Main = 1,
})
end
-------------------------------------------------------------------
-- NotifyChanged
-------------------------------------------------------------------
function NotifyChanged(inp, param, time)
if inp ~= nil and param ~= nil then
if inp == InCenter then
-- the center moved, reposition the axis according to the current offset
nCenterX = param.X
nCenterY = param.Y
InPivot:SetAttrs({
PCD_OffsetX = nCenterX - 0.5,
PCD_OffsetY = nCenterY - 0.5,
})
InAngle:SetAttrs({
PCD_OffsetX = (nCenterX - 0.5)/100,
PCD_OffsetY = (nCenterY - 0.5)/100,
})
end
if inp == InWidgets then
if param.Value == 1.0 then
InCenter:SetAttrs({ PC_Visible = false })
InAngle:SetAttrs({ PC_Visible = false })
InPivot:SetAttrs({ PC_Visible = false })
InScale:SetAttrs({ PC_Visible = false })
else
InCenter:SetAttrs({ PC_Visible = true })
InAngle:SetAttrs({ PC_Visible = true })
InPivot:SetAttrs({ PC_Visible = true })
InScale:SetAttrs({ PC_Visible = true })
end
end
if inp == InStop then
if param.Value == 1 then
InActtime:SetAttrs({IC_Visible = true})
else
InActtime:SetAttrs({IC_Visible = false})
end
end
if inp == InLogoSw then
if param.Value == 1 then
authorlogo:SetAttrs({IC_Visible = true})
else
authorlogo:SetAttrs({IC_Visible = false})
end
end
end
end
-------------------------------------------------------------------
-- Process
-------------------------------------------------------------------
function Process(req)
local center = InCenter:GetValue(req)
local angle = -InAngle:GetValue(req).Value/360*3.1415*2
local debug = InDebug:GetValue(req).Value
local scale = InScale:GetValue(req).Value
local freq = InFrequency:GetValue(req).Value
local framerate = self.Comp:GetPrefs("Comp.FrameFormat.Rate") -- get the frame rate of the comp set in the preferences
--This creates an image for us to work on.
local imgattrs = {
IMG_Document = self.Comp,
{ IMG_Channel = "Red", },
{ IMG_Channel = "Green", },
{ IMG_Channel = "Blue", },
{ IMG_Channel = "Alpha", },
IMG_Width = Width,
IMG_Height = Height,
IMG_XScale = XAspect,
IMG_YScale = YAspect,
IMAT_OriginalWidth = realwidth,
IMAT_OriginalHeight = realheight,
IMG_Quality = not req:IsQuick(),
IMG_MotionBlurQuality = not req:IsNoMotionBlur(),
}
if not req:IsStampOnly() then
imgattrs.IMG_ProxyScale = 1
end
if SourceDepth ~= 0 then
imgattrs.IMG_Depth = SourceDepth
end
local p = Pixel({R=0,G=0,B=0,A=0})
if (InImage1:GetValue(req) ~= nil) then
src1 = InImage1:GetValue(req)
else
src1 = Image(imgattrs)
src1:Fill(p)
end
local dst = Image {IMG_Like = src1, IMG_DeferAlloc = true}
if req:IsPreCalc() then
--print("\n######################### Precalc ##############################\n")
local out = Image({IMG_Like = dst, IMG_NoData = true})
OutImage:Set(req, out)
return
end
--StartStop
if InStop:GetValue(req).Value == 0 then
_acttime = req.Time + InTimeoffset:GetValue(req).Value
startstopsema = 1
else
if startstopsema == 1 then
InActtime:SetSource(Number(req.Time),0)
startstopsema = 0
_acttime = req.Time + InTimeoffset:GetValue(req).Value
else
_acttime = InActtime:GetValue(req).Value + InTimeoffset:GetValue(req).Value
end
end
acttime = _acttime / framerate
--Sep1:SetAttrs({LINKS_Name = "____________FractalGutter______________________",LBLC_LabelColor = 3,})
node = DVIPComputeNode(req, "FractalGutterKernel", FractalGutterKernel, "FractalGutterParams", FractalGutterParams)
if not pcall(function ()
params.center[0] = center.X
params.center[1] = center.Y
params.scale = 1/scale
params.angle = angle
params.pivot[0] = InPivot:GetValue(req).X
params.pivot[1] = InPivot:GetValue(req).Y
params.debug = debug
params.freq = freq
params.look = {InLook:GetValue(req).X,InLook:GetValue(req).Y,InLookZ:GetValue(req).Value}
params.color = {InRedCH:GetValue(req).Value, InGreenCH:GetValue(req).Value, InBlueCH:GetValue(req).Value}
params.color2 = {InRed2CH:GetValue(req).Value, InGreen2CH:GetValue(req).Value, InBlue2CH:GetValue(req).Value}
params.compOrder = src1:IsMask() and 1 or 15
params.width = src1.DataWindow:Width()
params.height = src1.DataWindow:Height()
params.itime = acttime --req.Time / framerate
node:SetParamBlock(params)
end) then
params = node:GetParamBlock(FractalGutterParams)
params.center[0] = center.X
params.center[1] = center.Y
params.scale = 1/scale
params.angle = angle
params.pivot[0] = InPivot:GetValue(req).X
params.pivot[1] = InPivot:GetValue(req).Y
params.debug = debug
params.freq = freq
params.look = {InLook:GetValue(req).X,InLook:GetValue(req).Y,InLookZ:GetValue(req).Value}
params.color = {InRedCH:GetValue(req).Value, InGreenCH:GetValue(req).Value, InBlueCH:GetValue(req).Value}
params.color2 = {InRed2CH:GetValue(req).Value, InGreen2CH:GetValue(req).Value, InBlue2CH:GetValue(req).Value}
params.compOrder = src1:IsMask() and 1 or 15
params.width = src1.DataWindow:Width()
params.height = src1.DataWindow:Height()
params.itime = acttime --req.Time / framerate
node:SetParamBlock(params)
end
node:AddSampler("RowSampler", TEX_FILTER_MODE_LINEAR,TEX_ADDRESS_MODE_MIRROR, TEX_NORMALIZED_COORDS_TRUE)
node:AddInput("iChannel0", src1)
node:AddOutput("dst", dst)
local success = node:RunSession(req)
if not success then
dst = nil
dump(node:GetErrorLog()) -- Fehlerausgabe des DCTL
end
OutImage:Set(req, dst)
collectgarbage();
end
-- **/ "End of LUA CODE"
-- /* ====================== DO NOT TOUCH OR APPEND ANY CODE HERE ===========================================
FC_INFOBTN = FC_INFOBTN ==nil and -1 or FC_INFOBTN
FC_VERSIONNO = FC_VERSIONNO ==nil and dctlfuse_versionNo or FC_VERSIONNO
FC_VERSIONDATE = FC_VERSIONDATE ==nil and dctlfuse_versionDate or FC_VERSIONDATE
FC_AUTHORLOGO = dctlfuse_authorlogo ~=nil and dctlfuse_authorlogo or FC_AUTHORLOGO
function StandardShaderFuseTopControls()
if FC_AUTHORLOGO ~= nil and FC_AUTHORLOGO ~= "" then authorlogo=self:AddInput('<p align="center"><a href="https://github.com/nmbr73/Shadertoys"><img '..FC_AUTHORLOGO..' /></a></p>',"DctlFuseLogoLabel", {LINKID_DataType = "Text",
INPID_InputControl = "LabelControl",
LBLC_MultiLine = true,
IC_NoLabel = true,
IC_NoReset = true,
INP_External = false,
INP_Passive = true,
IC_ControlPage = FC_INFOBTN,}) end
end
function StandardShaderFuseBottomControls()
InLogoSw = self:AddInput("Logo", "LogoSw", {
LINKID_DataType = "Number",
INPID_InputControl = "CheckboxControl",
INP_Integer = true,
INP_DoNotifyChanged = true,
INP_Default = 1,
IC_Visible = true,
INP_External = false,
INP_Passive = true,
})
if FC_INFOBTN~=0 then DctlFuseInfoButton = self:AddInput(dctlfuse_name.." Info ...", "DctlFuseInfoButton", {LINKID_DataType = "Text",INPID_InputControl = "ButtonControl",INP_DoNotifyChanged = true,INP_External = false,BTNCS_Execute = [[os.execute('start "" "https://nmbr73.github.io/Shadertoys/"')]],}) end
self:AddInput((FC_INFOBTN==1 and "" or '')
..'<center>Shadertoy <a href="https://www.shadertoy.com/view/'..shadertoy_id..'" style="color:white; text-decoration:none; ">'..shadertoy_name..'</a> by <a href="https://www.shadertoy.com/user/'..shadertoy_author..'" style="color:yellow; text-decoration:none; ">'..shadertoy_author..'</a><br />'
..'<span style="color:#ff6060; ">'..(shadertoy_license == "" and '© '..shadertoy_author..' (CC BY-NC-SA 3.0)' or shadertoy_license)..'</span><br />'
..'DCTLified and DaFused by <a href="'..(dctlfuse_authorurl==nil and "https://nmbr73.github.io/Shadertoys/" or dctlfuse_authorurl)..'" style="color:yellow; text-decoration:none; ">'..dctlfuse_author..'</a><br />'
..'<span style="color:#6080ff; ">'..(FC_VERSIONNO==nil and '' or 'Version '..FC_VERSIONNO)..(FC_VERSIONNO~=nil and FC_VERSIONDATE~=nil and ' - ' or '')..(FC_VERSIONDATE==nil and '' or FC_VERSIONDATE)..(FC_VERSIONNO~=nil and FC_VERSIONDATE~=nil and '<br />' or '')..'</span>'
,"DctlFuseInfoLabel", {LINKID_DataType="Text",INPID_InputControl="LabelControl",LBLC_MultiLine=true,IC_NoLabel=true,IC_NoReset=true,INP_External=false,INP_Passive=true,})
end
-- */