naoto.hieda/realityplayground-of
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micuat 2020-10-31 20:59:19 +01:00
parent a9b65025d3
commit 23e77308e7
4 changed files with 27 additions and 14 deletions
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5
zoneb/bin/data/shaders/particles/draw.geom
View file

@ -46,8 +46,9 @@ void main()
{
vec3 vOffset;
if(uEnergy > 0) {
vOffset = (vPrevPosition[i].xyz - vPosition[i].xyz) * (gAge * 15);
// vOffset += normalize(vOffset) * 5;
if(gAge < 0.01) return;
vOffset = (vPrevPosition[i].xyz - vPosition[i].xyz);
vOffset += normalize(vOffset) * 10;
}
else {
vOffset = (vPrevPosition[i].xyz - vPosition[i].xyz);

10
zoneb/bin/data/shaders/particles/draw.vert
View file

@ -4,7 +4,10 @@ uniform sampler2DRect particles0;
uniform sampler2DRect particles1;
uniform sampler2DRect particles2;
uniform sampler2DRect particles3;
uniform sampler2DRect particles4;
uniform sampler2DRect particles4; // prev
uniform sampler2DRect particles5; // org
uniform int uEnergy;
in vec4 position;
in vec2 texcoord;
@ -25,7 +28,12 @@ void main()
vec4 vTarget = texture(particles3, vTexCoord);
vTemperature = misc.x;
vAge = misc.y;
if(uEnergy > 0) {
vPos = texture(particles0, vTexCoord).xyz;
}
else {
vPos = texture(particles5, vTexCoord).xyz;
}
vPosition = modelViewMatrix * vec4(vPos, 1.0);
vPrevPosition = modelViewMatrix * vec4(texture(particles4, vTexCoord).xyz, 1.0);
}

5
zoneb/bin/data/shaders/particles/update.frag
View file

@ -6,6 +6,7 @@ uniform sampler2DRect particles1;
uniform sampler2DRect particles2;
uniform sampler2DRect particles3;
uniform sampler2DRect particles4;
uniform sampler2DRect particles5;
uniform sampler2DRect u_depth;
uniform sampler2DRect u_world;
@ -31,6 +32,7 @@ layout(location = 1) out vec4 velOut;
layout(location = 2) out vec4 misOut;
layout(location = 3) out vec4 tarOut;
layout(location = 4) out vec4 prevPosOut;
layout(location = 5) out vec4 orgPosOut;
vec3 random3(vec3 c) {
@ -144,7 +146,7 @@ void main()
posWorld.z = -depth * 65535.0; // Remap to float range.
posWorld.x = ray.x * posWorld.z;
posWorld.y = ray.y * posWorld.z;
posWorld.xyz += random3(posWorld.xyz) * 0.5;
posWorld.xyz += random3(posWorld.xyz) * 0.3;
float age = misc.y;
if(age > 1) { // reached target
@ -239,4 +241,5 @@ void main()
misOut = vec4(thermo, age, 0, 0);
tarOut = vec4(target);
prevPosOut = vec4(prevPos, 1.0);
orgPosOut = posWorld;
}

5
zoneb/src/ofApp.cpp
View file

@ -75,7 +75,7 @@ void ofApp::setupParticles()
unsigned w = 512 * 4 * 2;
unsigned h = 512 * 4 * 2;
particles.init(w, h, OF_PRIMITIVE_POINTS, false, 5);
particles.init(w, h, OF_PRIMITIVE_POINTS, false, 6);
particles.loadShaders("shaders/particles/update", "shaders/particles/draw");
@ -92,7 +92,6 @@ void ofApp::setupParticles()
}
}
particles.loadDataTexture(ofxGpuParticles::POSITION, particlePosns);
particles.loadDataTexture(4, particlePosns); // prev pos
// initial velocities
particles.zeroDataTexture(ofxGpuParticles::VELOCITY);
@ -109,6 +108,8 @@ void ofApp::setupParticles()
}
particles.loadDataTexture(ofxGpuParticles::MISC, particlePosns);
particles.zeroDataTexture(3);
particles.zeroDataTexture(4); // prev pos
particles.zeroDataTexture(5); // org pos
delete[] particlePosns;