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feat: Points (#82)

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Replaces the former sole Element entity by two, Sphere and Point, both implementing an Element trait. Adds Point display, uses the former Element display for Sphere. Adds a new "canned" configuration, and the ability to add, select, and nudge Point entities.

Co-authored-by: Aaron Fenyes <aaron.fenyes@fareycircles.ooo>
Reviewed-on: StudioInfinity/dyna3#82
Co-authored-by: Vectornaut <vectornaut@nobody@nowhere.net>
Co-committed-by: Vectornaut <vectornaut@nobody@nowhere.net>
This commit is contained in:
Vectornaut 2025-05-01 19:25:13 +00:00 • committed by Glen Whitney
parent 360ce12d8b
commit a2478febc1
9 changed files with 815 additions and 330 deletions
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18
app-proto/src/point.frag Normal file
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#version 300 es
precision highp float;
in vec3 point_color;
in float point_highlight;
in float total_radius;
out vec4 outColor;
void main() {
float r = total_radius * length(2.*gl_PointCoord - vec2(1.));
const float POINT_RADIUS = 4.;
float border = smoothstep(POINT_RADIUS - 1., POINT_RADIUS, r);
vec3 color = mix(point_color, vec3(1.), border * point_highlight);
outColor = vec4(color, 1. - smoothstep(total_radius - 1., total_radius, r));
}