mirror of
https://github.com/MaurycyLiebner/enve.git
synced 2024-11-24 10:52:03 +00:00
59 lines
2.4 KiB
GLSL
Executable File
59 lines
2.4 KiB
GLSL
Executable File
// enve - 2D animations software
|
|
// Copyright (C) 2016-2020 Maurycy Liebner
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
#version 330 core
|
|
layout(location = 0) out vec4 fragColor;
|
|
in vec2 texCoord;
|
|
|
|
uniform sampler2D dabData;
|
|
|
|
void main(void) {
|
|
float fX = texelFetch(dabData, ivec2(0, 0), 0).r; // 0
|
|
float fY = texelFetch(dabData, ivec2(1, 0), 0).r; // 1
|
|
float fRadius = texelFetch(dabData, ivec2(2, 0), 0).r; // 2
|
|
float fAspectRatio = texelFetch(dabData, ivec2(3, 0), 0).r; // 3
|
|
float fSinTh = texelFetch(dabData, ivec2(4, 0), 0).r; // 4
|
|
float fCosTh = texelFetch(dabData, ivec2(5, 0), 0).r; // 5
|
|
float fHardness = texelFetch(dabData, ivec2(6, 0), 0).r; // 6
|
|
float fOpaque = texelFetch(dabData, ivec2(7, 0), 0).r; // 7
|
|
float fRed = texelFetch(dabData, ivec2(8, 0), 0).r; // 8
|
|
float fGreen = texelFetch(dabData, ivec2(9, 0), 0).r; // 9
|
|
float fBlue = texelFetch(dabData, ivec2(10, 0), 0).r; // 10
|
|
float fAlpha = texelFetch(dabData, ivec2(11, 0), 0).r; // 11
|
|
float fSeg1Offset = texelFetch(dabData, ivec2(12, 0), 0).r; // 12
|
|
float fSeg1Slope = texelFetch(dabData, ivec2(13, 0), 0).r; // 13
|
|
float fSeg2Offset = texelFetch(dabData, ivec2(14, 0), 0).r; // 14
|
|
float fSeg2Slope = texelFetch(dabData, ivec2(15, 0), 0).r; // 15
|
|
|
|
float xp = texCoord.x;
|
|
float yp = texCoord.y;
|
|
|
|
float yy = (yp - fY);
|
|
float xx = (xp - fX);
|
|
float yyr = (yy*fCosTh - xx*fSinTh) * fAspectRatio;
|
|
float xxr = yy*fSinTh + xx*fCosTh;
|
|
float rr = (yyr*yyr + xxr*xxr)/(fRadius*fRadius);
|
|
|
|
if(rr > 1.f) {
|
|
fragColor = vec4(0.f, 0.f, 0.f, 0.f);
|
|
} else {
|
|
float fac = (rr <= fHardness ? fSeg1Slope : fSeg2Slope);
|
|
float opa = (rr <= fHardness ? fSeg1Offset : fSeg2Offset) + rr*fac;
|
|
opa *= fAlpha;
|
|
fragColor = vec4(fRed*opa, fGreen*opa, fBlue*opa, opa);
|
|
}
|
|
}
|