#version 300 es
layout(location = 0) in vec3 aPos;
layout(location = 1) in vec4 aColor;
layout(location = 2) in vec2 aTexCoord;   // u: head-anchored tiling (negative tail-ward, wrapped by GL_REPEAT); v: 0..1 across the strip
#include "_graphics_uniforms.glsl"
out vec2 vTexCoord;
out vec4 vColor;
void main() {
    gl_Position = u_viewProjection * vec4(aPos, 1.0);
    vTexCoord = aTexCoord;
    vColor = aColor;
}