44 lines
1.5 KiB
GLSL
44 lines
1.5 KiB
GLSL
layout (location = 0) in vec3 a_position;
|
|
layout (location = 1) in vec4 a_normal;
|
|
layout (location = 2) in vec4 a_colorTexCoord;
|
|
|
|
layout (location = 0) out vec2 v_colorTexCoord;
|
|
layout (location = 1) out vec2 v_maskTexCoord;
|
|
layout (location = 2) out float v_halfLength;
|
|
|
|
layout (binding = 0) uniform UBO
|
|
{
|
|
mat4 u_modelView;
|
|
mat4 u_projection;
|
|
mat4 u_pivotTransform;
|
|
vec4 u_trafficParams;
|
|
vec4 u_outlineColor;
|
|
vec4 u_lightArrowColor;
|
|
vec4 u_darkArrowColor;
|
|
float u_outline;
|
|
float u_opacity;
|
|
};
|
|
|
|
const float kArrowVSize = 0.25;
|
|
|
|
void main()
|
|
{
|
|
vec2 normal = a_normal.xy;
|
|
vec2 transformedAxisPos = (vec4(a_position.xy, 0.0, 1.0) * u_modelView).xy;
|
|
if (dot(normal, normal) != 0.0)
|
|
{
|
|
vec2 norm = normal * u_trafficParams.x;
|
|
if (a_normal.z < 0.0)
|
|
norm = normal * u_trafficParams.y;
|
|
transformedAxisPos = calcLineTransformedAxisPos(transformedAxisPos, a_position.xy + norm,
|
|
u_modelView, length(norm));
|
|
}
|
|
float uOffset = length(vec4(kShapeCoordScalar, 0, 0, 0) * u_modelView) * a_normal.w;
|
|
v_colorTexCoord = a_colorTexCoord.xy;
|
|
float v = mix(a_colorTexCoord.z, a_colorTexCoord.z + kArrowVSize, 0.5 * a_normal.z + 0.5);
|
|
v_maskTexCoord = vec2(uOffset * u_trafficParams.z, v) * u_trafficParams.w;
|
|
v_maskTexCoord.x *= step(a_colorTexCoord.w, v_maskTexCoord.x);
|
|
v_halfLength = a_normal.z;
|
|
vec4 pos = vec4(transformedAxisPos, a_position.z, 1.0) * u_projection;
|
|
gl_Position = applyPivotTransform(pos, u_pivotTransform, 0.0);
|
|
}
|