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More G26 arc cleanup

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Followup to #13531
This commit is contained in:
Scott Lahteine 2019-04-03 16:03:21 -05:00
parent 20a41e2f7b
commit 2aa35e95af
1 changed files with 13 additions and 21 deletions
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26
Marlin/src/gcode/bedlevel/G26.cpp
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@ -768,6 +768,7 @@ void GcodeSuite::G26() {
#if ENABLED(ARC_SUPPORT) #if ENABLED(ARC_SUPPORT)
#define ARC_LENGTH(quarters) (INTERSECTION_CIRCLE_RADIUS * M_PI * (quarters) / 2) #define ARC_LENGTH(quarters) (INTERSECTION_CIRCLE_RADIUS * M_PI * (quarters) / 2)
#define INTERSECTION_CIRCLE_DIAM ((INTERSECTION_CIRCLE_RADIUS) * 2)
float sx = circle_x + INTERSECTION_CIRCLE_RADIUS, // default to full circle float sx = circle_x + INTERSECTION_CIRCLE_RADIUS, // default to full circle
ex = circle_x + INTERSECTION_CIRCLE_RADIUS, ex = circle_x + INTERSECTION_CIRCLE_RADIUS,
sy = circle_y, ey = circle_y, sy = circle_y, ey = circle_y,
@ -775,14 +776,8 @@ void GcodeSuite::G26() {
// Figure out where to start and end the arc - we always print counterclockwise // Figure out where to start and end the arc - we always print counterclockwise
if (xi == 0) { // left edge if (xi == 0) { // left edge
if (!f) { if (!f) { sx = circle_x; sy -= INTERSECTION_CIRCLE_RADIUS; }
sx = circle_x; if (!b) { ex = circle_x; ey += INTERSECTION_CIRCLE_RADIUS; }
sy -= (INTERSECTION_CIRCLE_RADIUS);
}
if (!b) {
ex = circle_x;
ey += INTERSECTION_CIRCLE_RADIUS;
}
arc_length = (f || b) ? ARC_LENGTH(1) : ARC_LENGTH(2); arc_length = (f || b) ? ARC_LENGTH(1) : ARC_LENGTH(2);
} }
else if (r) { // right edge else if (r) { // right edge
@ -793,22 +788,19 @@ void GcodeSuite::G26() {
arc_length = (f || b) ? ARC_LENGTH(1) : ARC_LENGTH(2); arc_length = (f || b) ? ARC_LENGTH(1) : ARC_LENGTH(2);
} }
else if (f) { else if (f) {
ex = circle_x - (INTERSECTION_CIRCLE_RADIUS); ex -= INTERSECTION_CIRCLE_DIAM;
arc_length = ARC_LENGTH(2); arc_length = ARC_LENGTH(2);
} }
else if (b) { else if (b) {
sx = circle_x - (INTERSECTION_CIRCLE_RADIUS); sx -= INTERSECTION_CIRCLE_DIAM;
arc_length = ARC_LENGTH(2); arc_length = ARC_LENGTH(2);
} }
const float arc_offset[2] = {
circle_x - sx,
circle_y - sy
};
const float dx_s = current_position[X_AXIS] - sx, // find our distance from the start of the actual circle const float arc_offset[2] = { circle_x - sx, circle_y - sy },
dx_s = current_position[X_AXIS] - sx, // find our distance from the start of the actual circle
dy_s = current_position[Y_AXIS] - sy, dy_s = current_position[Y_AXIS] - sy,
dist_start = HYPOT2(dx_s, dy_s); dist_start = HYPOT2(dx_s, dy_s),
const float endpoint[XYZE] = { endpoint[XYZE] = {
ex, ey, ex, ey,
g26_layer_height, g26_layer_height,
current_position[E_AXIS] + (arc_length * g26_e_axis_feedrate * g26_extrusion_multiplier) current_position[E_AXIS] + (arc_length * g26_e_axis_feedrate * g26_extrusion_multiplier)