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examples/shaders: Add new per-activation random to sliding bars transition

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Michael Fabian 'Xaymar' Dirks 2020-07-05 23:14:56 +02:00 committed by Michael Fabian Dirks
parent 717b38f3f7
commit 2f9eeb3e6a
1 changed files with 34 additions and 10 deletions
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44
data/examples/shaders/transition/sliding-bars.effect
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@ -30,6 +30,9 @@ uniform float TransitionTime<
uniform int2 TransitionSize< uniform int2 TransitionSize<
bool automatic = true; bool automatic = true;
>; >;
uniform float4x4 Random<
bool automatic = true;
>;
uniform bool _49_FadeToColor< uniform bool _49_FadeToColor<
string name = "Fade To Color?"; string name = "Fade To Color?";
@ -47,11 +50,20 @@ uniform float4 _50_Color<
uniform float _100_Rotation< uniform float _100_Rotation<
string name = "Rotation"; string name = "Rotation";
string field_type = "slider"; string field_type = "slider";
float minimum = -90.; float minimum = -180.;
float maximum = 90.; float maximum = 180.;
float scale = 1.; float scale = 1.;
float step = .01; float step = .01;
> = 30.; > = 0.;
uniform float _110_RotationRange<
string name = "Rotation Random Range";
string field_type = "slider";
float minimum = -180.;
float maximum = 180.;
float scale = 1.;
float step = .01;
> = 45.;
uniform float _200_Bars< uniform float _200_Bars<
string name = "Number of Bars"; string name = "Number of Bars";
@ -62,6 +74,15 @@ uniform float _200_Bars<
float step = .5; float step = .5;
> = 20.; > = 20.;
uniform float _210_BarsRange<
string name = "Number of Bars Random Range";
string field_type = "slider";
float minimum = 0.;
float maximum = 50.;
float scale = 1.;
float step = .5;
> = 5.;
// ---------- Shader Code // ---------- Shader Code
sampler_state def_sampler { sampler_state def_sampler {
AddressU = Clamp; AddressU = Clamp;
@ -129,25 +150,28 @@ bool compare_a_b(float time, float x, float dir) {
} }
float4 PSDefault(VertData vtx) : TARGET { float4 PSDefault(VertData vtx) : TARGET {
float2 ruv = (rotate2D(vtx.uv - .5, TO_RAD(_100_Rotation)) + .5); float ang = _100_Rotation + ((Random[0][1] - .5) * 2.) * _110_RotationRange;
float bars = max(_200_Bars + ((Random[2][1] - .5) * 2.) * _210_BarsRange, 1);
float2 ruv = (rotate2D(vtx.uv - .5, TO_RAD(ang)) + .5);
float bar_offset_max = .2; float bar_offset_max = .2;
float bar_id = floor(ruv.y * _200_Bars); float bar_id = floor(ruv.y * bars) + Random[1][1] * bars;
float bar_offset = 0.; float bar_offset = 0.;
float bar_direction = 0.; float bar_direction = 0.;
if (TransitionTime < .5 || !_49_FadeToColor) { if (TransitionTime < .5 || !_49_FadeToColor) {
bar_offset = -abs(noised(float2(bar_id, 0.)).x * bar_offset_max); bar_offset = -abs(noised(float2(bar_id, 0.)).x * bar_offset_max);
bar_direction = step(noised(float2(bar_id, 1.)).x, .5); bar_direction = step(noised(float2(bar_id, 1.)).x, _Random[3][1]);
} else { } else {
bar_offset = -abs(noised(float2(bar_id, 1.)).x * bar_offset_max); bar_offset = -abs(noised(float2(bar_id, 1.)).x * bar_offset_max);
bar_direction = step(noised(float2(bar_id, 0.)).x, .5); bar_direction = step(noised(float2(bar_id, 0.)).x, _Random[3][1]);
} }
if (_49_FadeToColor) { if (_49_FadeToColor) {
float bar_time_a = (TransitionTime * 3.) + bar_offset; float bar_time_a = (TransitionTime * 3.) + bar_offset;
float bar_time_b = (TransitionTime * 3. - 2.) - bar_offset; float bar_time_b = (TransitionTime * 3. - 2.) - bar_offset;
if (compare_a_b(bar_time_a, vtx.uv.x, bar_direction)) { if (compare_a_b(bar_time_a, ruv.x, bar_direction)) {
if (compare_a_b(bar_time_b, vtx.uv.x, bar_direction)) { if (compare_a_b(bar_time_b, ruv.x, bar_direction)) {
return InputB.Sample(def_sampler, vtx.uv); return InputB.Sample(def_sampler, vtx.uv);
} else { } else {
return _50_Color; return _50_Color;
@ -157,7 +181,7 @@ float4 PSDefault(VertData vtx) : TARGET {
} }
} else { } else {
float bar_time_a = clamp((TransitionTime + bar_offset) / (1. - bar_offset_max), 0., 1.); float bar_time_a = clamp((TransitionTime + bar_offset) / (1. - bar_offset_max), 0., 1.);
if (compare_a_b(bar_time_a, vtx.uv.x, bar_direction)) { if (compare_a_b(bar_time_a, ruv.x, bar_direction)) {
return InputB.Sample(def_sampler, vtx.uv); return InputB.Sample(def_sampler, vtx.uv);
} else { } else {
return InputA.Sample(def_sampler, vtx.uv); return InputA.Sample(def_sampler, vtx.uv);