From cba12e487f5e8f293d4d0d97bc8239f8fd76e9f3 Mon Sep 17 00:00:00 2001
From: Alexander Rose <alexander.rose@weirdbyte.de>
Date: Tue, 13 Dec 2022 23:59:08 -0800
Subject: [PATCH] wip, solid impostor flag
---
src/mol-geo/geometry/cylinders/cylinders.ts | 3 ++
src/mol-geo/geometry/spheres/spheres.ts | 3 ++
src/mol-gl/renderable/cylinders.ts | 1 +
src/mol-gl/renderable/spheres.ts | 1 +
src/mol-gl/shader/cylinders.frag.ts | 42 +++++++++++++++++----
src/mol-gl/shader/cylinders.vert.ts | 7 ++--
src/mol-gl/shader/spheres.frag.ts | 9 +++--
7 files changed, 53 insertions(+), 13 deletions(-)
diff --git a/src/mol-geo/geometry/cylinders/cylinders.ts b/src/mol-geo/geometry/cylinders/cylinders.ts
index 99929acd1..41eadfd43 100644
--- a/src/mol-geo/geometry/cylinders/cylinders.ts
+++ b/src/mol-geo/geometry/cylinders/cylinders.ts
@@ -158,6 +158,7 @@ export namespace Cylinders {
ignoreLight: PD.Boolean(false, BaseGeometry.ShadingCategory),
xrayShaded: PD.Boolean(false, BaseGeometry.ShadingCategory),
transparentBackfaces: PD.Select('off', PD.arrayToOptions(['off', 'on', 'opaque']), BaseGeometry.ShadingCategory),
+ solidInterior: PD.Boolean(true, BaseGeometry.ShadingCategory),
bumpFrequency: PD.Numeric(0, { min: 0, max: 10, step: 0.1 }, BaseGeometry.ShadingCategory),
bumpAmplitude: PD.Numeric(1, { min: 0, max: 5, step: 0.1 }, BaseGeometry.ShadingCategory),
};
@@ -245,6 +246,7 @@ export namespace Cylinders {
dIgnoreLight: ValueCell.create(props.ignoreLight),
dXrayShaded: ValueCell.create(props.xrayShaded),
dTransparentBackfaces: ValueCell.create(props.transparentBackfaces),
+ dSolidInterior: ValueCell.create(props.solidInterior),
uBumpFrequency: ValueCell.create(props.bumpFrequency),
uBumpAmplitude: ValueCell.create(props.bumpAmplitude),
};
@@ -263,6 +265,7 @@ export namespace Cylinders {
ValueCell.updateIfChanged(values.dIgnoreLight, props.ignoreLight);
ValueCell.updateIfChanged(values.dXrayShaded, props.xrayShaded);
ValueCell.updateIfChanged(values.dTransparentBackfaces, props.transparentBackfaces);
+ ValueCell.updateIfChanged(values.dSolidInterior, props.solidInterior);
ValueCell.updateIfChanged(values.uBumpFrequency, props.bumpFrequency);
ValueCell.updateIfChanged(values.uBumpAmplitude, props.bumpAmplitude);
}
diff --git a/src/mol-geo/geometry/spheres/spheres.ts b/src/mol-geo/geometry/spheres/spheres.ts
index b7be6f095..0b82bb7da 100644
--- a/src/mol-geo/geometry/spheres/spheres.ts
+++ b/src/mol-geo/geometry/spheres/spheres.ts
@@ -130,6 +130,7 @@ export namespace Spheres {
ignoreLight: PD.Boolean(false, BaseGeometry.ShadingCategory),
xrayShaded: PD.Boolean(false, BaseGeometry.ShadingCategory),
transparentBackfaces: PD.Select('off', PD.arrayToOptions(['off', 'on', 'opaque']), BaseGeometry.ShadingCategory),
+ solidInterior: PD.Boolean(true, BaseGeometry.ShadingCategory),
bumpFrequency: PD.Numeric(0, { min: 0, max: 10, step: 0.1 }, BaseGeometry.ShadingCategory),
bumpAmplitude: PD.Numeric(1, { min: 0, max: 5, step: 0.1 }, BaseGeometry.ShadingCategory),
};
@@ -212,6 +213,7 @@ export namespace Spheres {
dIgnoreLight: ValueCell.create(props.ignoreLight),
dXrayShaded: ValueCell.create(props.xrayShaded),
dTransparentBackfaces: ValueCell.create(props.transparentBackfaces),
+ dSolidInterior: ValueCell.create(props.solidInterior),
uBumpFrequency: ValueCell.create(props.bumpFrequency),
uBumpAmplitude: ValueCell.create(props.bumpAmplitude),
};
@@ -230,6 +232,7 @@ export namespace Spheres {
ValueCell.updateIfChanged(values.dIgnoreLight, props.ignoreLight);
ValueCell.updateIfChanged(values.dXrayShaded, props.xrayShaded);
ValueCell.updateIfChanged(values.dTransparentBackfaces, props.transparentBackfaces);
+ ValueCell.updateIfChanged(values.dSolidInterior, props.solidInterior);
ValueCell.updateIfChanged(values.uBumpFrequency, props.bumpFrequency);
ValueCell.updateIfChanged(values.uBumpAmplitude, props.bumpAmplitude);
}
diff --git a/src/mol-gl/renderable/cylinders.ts b/src/mol-gl/renderable/cylinders.ts
index db145d3ed..cbe4fcd8b 100644
--- a/src/mol-gl/renderable/cylinders.ts
+++ b/src/mol-gl/renderable/cylinders.ts
@@ -27,6 +27,7 @@ export const CylindersSchema = {
dIgnoreLight: DefineSpec('boolean'),
dXrayShaded: DefineSpec('boolean'),
dTransparentBackfaces: DefineSpec('string', ['off', 'on', 'opaque']),
+ dSolidInterior: DefineSpec('boolean'),
uBumpFrequency: UniformSpec('f', 'material'),
uBumpAmplitude: UniformSpec('f', 'material'),
};
diff --git a/src/mol-gl/renderable/spheres.ts b/src/mol-gl/renderable/spheres.ts
index 73c0e7507..a56b2a1f2 100644
--- a/src/mol-gl/renderable/spheres.ts
+++ b/src/mol-gl/renderable/spheres.ts
@@ -24,6 +24,7 @@ export const SpheresSchema = {
dIgnoreLight: DefineSpec('boolean'),
dXrayShaded: DefineSpec('boolean'),
dTransparentBackfaces: DefineSpec('string', ['off', 'on', 'opaque']),
+ dSolidInterior: DefineSpec('boolean'),
uBumpFrequency: UniformSpec('f', 'material'),
uBumpAmplitude: UniformSpec('f', 'material'),
};
diff --git a/src/mol-gl/shader/cylinders.frag.ts b/src/mol-gl/shader/cylinders.frag.ts
index f41e64f80..c1169f27a 100644
--- a/src/mol-gl/shader/cylinders.frag.ts
+++ b/src/mol-gl/shader/cylinders.frag.ts
@@ -53,6 +53,16 @@ bool CylinderImpostor(
bool topCap = (vCap > 0.9 && vCap < 1.1) || vCap >= 2.9;
bool bottomCap = (vCap > 1.9 && vCap < 2.1) || vCap >= 2.9;
+ #ifdef dSolidInterior
+ bool topInterior = !topCap;
+ bool bottomInterior = !bottomCap;
+ topCap = true;
+ bottomCap = true;
+ #else
+ bool topInterior = false;
+ bool bottomInterior = false;
+ #endif
+
// body outside
h = sqrt(h);
float t = (-k1 - h) / k2;
@@ -73,18 +83,18 @@ bool CylinderImpostor(
// top cap
t = -baoc / bard;
if (abs(k1 + k2 * t) < h) {
- interior = false;
+ interior = topInterior;
cameraNormal = -ba / baba;
modelPosition = rayOrigin + t * rayDir;
viewPosition = (uView * vec4(modelPosition, 1.0)).xyz;
fragmentDepth = calcDepth(viewPosition);
if (fragmentDepth > 0.0) return true;
}
- } else if(bottomCap && y >= 0.0) {
+ } else if (bottomCap && y >= 0.0) {
// bottom cap
t = (baba - baoc) / bard;
if (abs(k1 + k2 * t) < h) {
- interior = false;
+ interior = bottomInterior;
cameraNormal = ba / baba;
modelPosition = rayOrigin + t * rayDir;
viewPosition = (uView * vec4(modelPosition, 1.0)).xyz;
@@ -104,7 +114,13 @@ bool CylinderImpostor(
modelPosition = rayOrigin + t * rayDir;
viewPosition = (uView * vec4(modelPosition, 1.0)).xyz;
fragmentDepth = calcDepth(viewPosition);
- return true;
+ if (fragmentDepth > 0.0) {
+ #ifdef dSolidInterior
+ fragmentDepth = 0.0 + (0.0000001 / vSize);
+ cameraNormal = -rayDir;
+ #endif
+ return true;
+ }
}
if (topCap && y < 0.0) {
@@ -116,9 +132,15 @@ bool CylinderImpostor(
modelPosition = rayOrigin + t * rayDir;
viewPosition = (uView * vec4(modelPosition, 1.0)).xyz;
fragmentDepth = calcDepth(viewPosition);
- if (fragmentDepth > 0.0) return true;
+ if (fragmentDepth > 0.0) {
+ #ifdef dSolidInterior
+ fragmentDepth = 0.0 + (0.0000001 / vSize);
+ cameraNormal = -rayDir;
+ #endif
+ return true;
+ }
}
- } else if(bottomCap && y >= 0.0) {
+ } else if (bottomCap && y >= 0.0) {
// bottom cap
t = (baba - baoc) / bard;
if (abs(k1 + k2 * t) < -h) {
@@ -127,7 +149,13 @@ bool CylinderImpostor(
modelPosition = rayOrigin + t * rayDir;
viewPosition = (uView * vec4(modelPosition, 1.0)).xyz;
fragmentDepth = calcDepth(viewPosition);
- if (fragmentDepth > 0.0) return true;
+ if (fragmentDepth > 0.0) {
+ #ifdef dSolidInterior
+ fragmentDepth = 0.0 + (0.0000001 / vSize);
+ cameraNormal = -rayDir;
+ #endif
+ return true;
+ }
}
}
}
diff --git a/src/mol-gl/shader/cylinders.vert.ts b/src/mol-gl/shader/cylinders.vert.ts
index ff28e5c1b..f9d1a0694 100644
--- a/src/mol-gl/shader/cylinders.vert.ts
+++ b/src/mol-gl/shader/cylinders.vert.ts
@@ -57,9 +57,10 @@ void main() {
// ensure cylinder 'dir' is pointing towards the camera
if(dot(camDir, dir) < 0.0) {
dir = -dir;
- vec3 tmp = vStart;
- vStart = vEnd;
- vEnd = tmp;
+ // TODO: revisit
+ // vec3 tmp = vStart;
+ // vStart = vEnd;
+ // vEnd = tmp;
}
vec3 left = cross(camDir, dir);
diff --git a/src/mol-gl/shader/spheres.frag.ts b/src/mol-gl/shader/spheres.frag.ts
index 7d5348d95..9af2d9d39 100644
--- a/src/mol-gl/shader/spheres.frag.ts
+++ b/src/mol-gl/shader/spheres.frag.ts
@@ -81,9 +81,12 @@ void main(void){
vec3 vViewPosition = cameraPos;
vec3 vModelPosition = modelPos;
- if (interior && !clipped) {
- fragmentDepth = 0.0 + (0.0000001 / vRadius);
- }
+ #ifdef dSolidInterior
+ if (interior && !clipped) {
+ fragmentDepth = 0.0 + (0.0000001 / vRadius);
+ cameraNormal = -mix(normalize(vPoint), vec3(0.0, 0.0, 1.0), uIsOrtho);
+ }
+ #endif
gl_FragDepthEXT = fragmentDepth;
--
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