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#1234 section view decorations

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QwiglyDee
2021-01-13 06:27:05 +07:00
parent ab8aa95479
commit a1be2ef868
1 changed files with 108 additions and 5 deletions
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src/ifcblenderexport/blenderbim/bim/decoration.py
+108 -5
View File
@@ -642,7 +642,7 @@ class LevelDecorator(BaseDecorator):
self.draw_labels(context, obj, splines)
class PlanDecorator(LevelDecorator):
class PlanLevelDecorator(LevelDecorator):
basename = "IfcAnnotation/Plan Level"
DEF_GLSL = BaseDecorator.DEF_GLSL + """
@@ -724,7 +724,7 @@ class PlanDecorator(LevelDecorator):
self.draw_label(context, text, p0, dir, gap=8, center=False)
class SectionDecorator(LevelDecorator):
class SectionLevelDecorator(LevelDecorator):
basename = "IfcAnnotation/Section Level"
DEF_GLSL = BaseDecorator.DEF_GLSL + """
@@ -997,6 +997,108 @@ class GridDecorator(BaseDecorator):
self.draw_label(context, text, p1, dir, vcenter=True, gap=0)
class SectionViewDecorator(LevelDecorator):
basename = "IfcAnnotation/Section"
DEF_GLSL = BaseDecorator.DEF_GLSL + """
#define CIRCLE_SIZE 8.0
#define TRIANGLE_L 32.0
#define TRIANGLE_W 16.0
"""
GEOM_GLSL = """
uniform vec2 winsize;
layout(lines) in;
layout(line_strip, max_vertices=MAX_POINTS) out;
void triangle_head(in vec4 dir, in vec4 side, in float length, in float width, out vec4 head[3]) {
vec4 nose = dir * length;
vec4 ear = side * width;
head[0] = vec4(0);
head[1] = nose * .5 + ear;
head[2] = nose;
}
void main() {
vec4 clip2win = matCLIP2WIN();
vec4 win2clip = matWIN2CLIP();
vec4 p0 = gl_in[0].gl_Position, p1 = gl_in[1].gl_Position;
vec4 p0w = CLIP2WIN(p0), p1w = CLIP2WIN(p1);
vec4 edge = p1w - p0w, dir = normalize(edge);
vec4 gap = dir * TRIANGLE_L * .5;
vec4 side = vec4(cross(vec3(dir.xy, 0), vec3(0, 0, 1)).xy, 0, 0);
vec4 p;
vec4 head[CIRCLE_SEGS];
circle_head(CIRCLE_SIZE, head);
vec4 head3[3];
// start edge circle
for(int i=0; i<CIRCLE_SEGS; i++) {
p = p0w + gap + head[i];
gl_Position = WIN2CLIP(p);
EmitVertex();
}
p = p0w + gap + head[0];
gl_Position = WIN2CLIP(p);
EmitVertex();
EndPrimitive();
// start edge triangle
triangle_head(dir, -side, TRIANGLE_L, TRIANGLE_W, head3);
p = p0w + head3[0];
gl_Position = WIN2CLIP(p);
EmitVertex();
p = p0w + head3[1];
gl_Position = WIN2CLIP(p);
EmitVertex();
p = p0w + head3[2];
gl_Position = WIN2CLIP(p);
EmitVertex();
EndPrimitive();
// end edge circle
for(int i=0; i<CIRCLE_SEGS; i++) {
p = p1w - gap + head[i];
gl_Position = WIN2CLIP(p);
EmitVertex();
}
p = p1w - gap + head[0];
gl_Position = WIN2CLIP(p);
EmitVertex();
EndPrimitive();
// end edge triangle
triangle_head(-dir, -side, TRIANGLE_L, TRIANGLE_W, head3);
p = p1w + head3[0];
gl_Position = WIN2CLIP(p);
EmitVertex();
p = p1w + head3[1];
gl_Position = WIN2CLIP(p);
EmitVertex();
p = p1w + head3[2];
gl_Position = WIN2CLIP(p);
EmitVertex();
EndPrimitive();
// stem
gl_Position = p0;
EmitVertex();
gl_Position = p1;
EmitVertex();
EndPrimitive();
}
"""
def decorate(self, context, obj):
verts, _, _ = self.get_path_geom(obj, topo=False)
self.draw_lines(context, obj, verts, [(0, 1)])
class DecorationsHandler():
decorators_classes = [
DimensionDecorator,
@@ -1005,10 +1107,11 @@ class DecorationsHandler():
HiddenDecorator,
LeaderDecorator,
MiscDecorator,
PlanDecorator,
SectionDecorator,
PlanLevelDecorator,
SectionLevelDecorator,
StairDecorator,
BreakDecorator
BreakDecorator,
SectionViewDecorator
]
installed = None