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palette

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micuat 2020-11-01 12:18:51 +01:00
parent af3d2f354a
commit 00ba0ca9aa
2 changed files with 30 additions and 3 deletions
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16
zonebb/bin/data/shaders/main.frag
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@ -8,6 +8,11 @@ uniform sampler2DRect uV4l2cam;
uniform sampler2DRect u_buffer0;
uniform sampler2DRect u_buffer1;
uniform sampler2DRect u_warm1;
uniform sampler2DRect u_warm2;
uniform sampler2DRect u_cold1;
uniform sampler2DRect u_cold2;
uniform bool uCalib;
uniform vec2 uCalibXY;
uniform float uCalibScale;
@ -150,10 +155,17 @@ void main() {
gl_FragColor = depth + v4l2;
}
else {
// vec4 bufColor = texture(u_buffer1, st);
vec4 color = vec4(st/1000,1,1);
vec4 color;
color = texture(uFluid, st);
vec2 palette = vec2(color.r*3425, 1);
vec3 remapedColorW = texture(u_warm1, palette).xyz;
vec3 remapedColorC = texture(u_cold2, palette).xyz;
// vec4 bufColor = texture(u_buffer1, st);
color.rgb = remapedColorW;
// color.rg = palette.st;
gl_FragColor = color;
}
#endif

17
zonebb/src/ofApp.cpp
View file

@ -135,6 +135,12 @@ void ofApp::setup()
fbos.insert({s, ofFbo()});
fbos.at(s).allocate(ofGetWidth(), ofGetHeight(), GL_RGBA32F_ARB);
}
for (auto s : gradientNames)
{
gradients.insert({s, ofFloatImage()});
gradients.at(s).load("images/" + s + ".png");
}
}
ofVec3f ofApp::getDepthAt(int x, int y)
@ -239,7 +245,7 @@ void ofApp::updateFluid()
oldM = m;
ofPoint c = ofPoint(640 * 0.5, 480 * 0.5) - m;
c.normalize();
fluid.addTemporalForce(toGlm(m), toGlm(d), ofFloatColor(0,0,0), 15.0f, 20);
fluid.addTemporalForce(toGlm(m), toGlm(d), ofFloatColor(0, 0, 0), 15.0f, 20);
// Update
//
@ -295,6 +301,15 @@ void ofApp::drawMain()
mainShader.setUniform2f("uCalibXY", registrationXY);
mainShader.setUniform1f("uCalibScale", registrationScale);
// for (int i = 0; i < gradientNames.size(); i++)
// {
// mainShader.setUniformTexture("u_" + gradientNames.at(i), gradients.at(gradientNames.at(i)));
// }
mainShader.setUniformTexture("u_warm1", gradients.at("warm1"));
mainShader.setUniformTexture("u_warm2", gradients.at("warm2"));
mainShader.setUniformTexture("u_cold1", gradients.at("cold1"));
mainShader.setUniformTexture("u_cold2", gradients.at("cold2"));
mainShader.setUniformTexture("uFluid", fbos.at("fluid"));
mainShader.render();
mainShader.draw(0, 0);