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@ -1,16 +1,16 @@ |
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import math |
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# me - this DAT |
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# scriptOp - the OP which is cooking |
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# |
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# press 'Setup Parameters' in the OP to call this function to re-create the parameters. |
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def onSetupParameters(scriptOp): |
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page = scriptOp.appendCustomPage('Custom') |
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page.appendFloat('Valuea', label='Value A') |
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page.appendFloat('Valueb', label='Value B') |
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return |
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def onCook(scriptOp): |
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scriptOp.clear() |
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# Define Table Header with position and rotation columns |
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scriptOp.appendRow(['text', 'P(X)', 'P(Y)', 'P(Z)', 'R(X)', 'R(Y)', 'R(Z)']) |
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# --- Fetch External Parameters --- |
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@ -18,51 +18,90 @@ def onCook(scriptOp): |
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if not const_op: |
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return |
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radius_scale = const_op['ring_scale'] |
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rotate_speed = const_op['rotate_speed'] |
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# text_space: used to define the angular gap between characters |
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text_space = const_op['text_space'] |
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# Fix for L22: CHOPs are not directly iterable. |
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# We check for channel existence using the [] accessor and a fallback. |
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def get_chan(chan_name, default=1.0): |
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c = const_op[chan_name] |
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return c.eval() if c is not None else default |
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radius_scale = get_chan('ring_scale', 1.0) |
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rotate_speed = get_chan('rotate_speed', 1.0) |
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text_space = get_chan('text_space', 0.5) |
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arc_table = op('arc_table') |
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info_table = op('info_table') |
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scaled_pos_op = op('scaled_positions') |
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ring_const = op('/project1/RingConstant') |
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draw_arc=parent().par.Drawarc.eval() if hasattr(parent().par, 'Drawarc') else False |
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# Safety check for required info |
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if not ring_const: |
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return |
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# Assuming ring_const is a Constant CHOP as well |
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def get_remote_chan(op_ref, chan_name, default=1.0): |
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if not op_ref: return default |
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c = op_ref[chan_name] |
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return c.eval() if c is not None else default |
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f_size = get_remote_chan(ring_const, 'FontSize', 1.0) |
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i_size = get_remote_chan(ring_const, 'InfoFontSize', 1.0) |
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info_scale = i_size / f_size if f_size != 0 else 1.0 |
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if arc_table: |
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arc_table.clear() |
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arc_table.appendRow(['tx', 'ty', 'tz','rx', 'ry', 'rz','scale']) |
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arc_table.appendRow(['tx', 'ty', 'tz','rx', 'ry', 'rz','scale', 'start1', 'end1', 'start2', 'end2']) |
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if info_table: |
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info_table.clear() |
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info_table.appendRow(['text', 'tx', 'ty', 'tz', 'rx', 'ry', 'rz']) |
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for source in scriptOp.inputs: |
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# Safety check: Input must exist and have at least a header and one data row |
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if not source or source.numRows < 2: |
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continue |
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# Iterate through the rows of the source DAT |
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for i, row in enumerate(source.rows()[1:]): |
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full_string = row[0].val |
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# Ensure index exists for substring column |
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sub_string = row[9].val if len(row) > 9 else "" |
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if not full_string: |
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continue |
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str_len = len(full_string) |
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sub_str_len = len(sub_string) |
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# Fetch speed variation from the speed_variation CHOP |
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# Fetch speed variation from CHOP |
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speed_op = op('speed_variation') |
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speed_variation = speed_op[0][i] if speed_op and i < speed_op.numSamples else 0 |
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speed_variation = 0 |
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if speed_op: |
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# Use first channel, i-th sample |
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if i < speed_op.numSamples: |
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speed_variation = speed_op[0][i] |
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# Calculate time-based rotation offset (in radians) |
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# Time calculation |
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time_offset = absTime.seconds * rotate_speed * (1.0 + abs(speed_variation)) / 10.0 |
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try: |
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center = [op('scaled_positions')[0][i], op('scaled_positions')[1][i], op('scaled_positions')[2][i]] |
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# Use scaled_positions if it exists, otherwise default to origin |
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if scaled_pos_op and i < scaled_pos_op.numSamples: |
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center = [scaled_pos_op[0][i], scaled_pos_op[1][i], scaled_pos_op[2][i]] |
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else: |
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center = [0, 0, 0] |
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axis = [float(row[5]), float(row[6]), float(row[7])] |
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radius = float(row[8]) * radius_scale |
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except (ValueError, TypeError, IndexError): |
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continue |
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# --- Calculate Orthogonal Basis for the Ring Plane --- |
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# --- Calculate Orthogonal Basis --- |
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ax, ay, az = axis |
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mag = math.sqrt(ax*ax + ay*ay + az*az) |
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if mag == 0: |
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ax, ay, az = 0, 1, 0 |
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else: |
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ax, ay, az = ax/mag, ay/mag, az/mag |
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if abs(ax) < 0.9: |
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tx, ty, tz = 1, 0, 0 |
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else: |
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@ -72,75 +111,113 @@ def onCook(scriptOp): |
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uy = az*tx - ax*tz |
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uz = ax*ty - ay*tx |
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umag = math.sqrt(ux*ux + uy*uy + uz*uz) |
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if umag == 0: umag = 1 |
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ux, uy, uz = ux/umag, uy/umag, uz/umag |
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vx = ay*uz - az*uy |
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vy = az*ux - ax*uz |
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vz = ax*uy - ay*ux |
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# --- Calculate Arc Logic --- |
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# Instead of forcing (i/str_len)*2*pi, we use text_space to determine the gap. |
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# If the total arc (gap * characters) < 2*pi, it remains an arc. |
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angular_step = text_space / (radius if radius > 0 else 1) |
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# angular_step = radius*math.pi*2.0/text_space if radius>0 else math.pi*2.0/str_len |
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total= math.floor(math.pi*2.0/(angular_step)) |
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count=0 |
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print(f"Processing string with length {str_len}, total positions: {total}") |
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# Build the table character by character |
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while count<total: |
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# for j in range(str_len): |
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angular_step = text_space / (radius if radius > 0.1 else 0.1) |
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# SAFETY: Limit total iterations |
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total = int(min(math.floor((math.pi * 2.0) / (angular_step if angular_step > 0.01 else 0.01)), 500)) |
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total = max(total, str_len + sub_str_len*.5) |
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arc_len = round((total - (str_len + sub_str_len*.5)) / 2) |
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total= str_len + arc_len*2 + sub_str_len |
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# angle = (index * step) + time_offset |
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angle = ((count) * angular_step) + time_offset |
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angle = time_offset |
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# arc1_start_angle=str_len*angular_step |
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# arc1_end_angle=arc1_start_angle + arc_len*angular_step |
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# arc2_start_angle=arc1_end_angle+(sub_str_len*angular_step*info_scale*.5) |
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# arc2_end_angle=arc2_start_angle + arc_len*angular_step |
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arc1_start_angle=angular_step * str_len #+time_offset%(2*math.pi) |
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arc1_end_angle=arc1_start_angle + arc_len*angular_step |
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arc2_start_angle=arc1_end_angle+((sub_str_len)*angular_step*info_scale*.5) |
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arc2_end_angle=math.pi*2.0 #arc2_start_angle + arc_len*angular_step |
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for count in range(total): |
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is_sub_str_zone = (count >= str_len + arc_len) and (count < str_len + arc_len + sub_str_len) |
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step_mult = info_scale*.5 if is_sub_str_zone else 1.0 |
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angle += (angular_step * step_mult) |
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cos_a = math.cos(angle) * radius |
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sin_a = math.sin(angle) * radius |
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# Outward vector relative to center |
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off_x = (ux * cos_a) + (vx * sin_a) |
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off_y = (uy * cos_a) + (vy * sin_a) |
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off_z = (uz * cos_a) + (vz * sin_a) |
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# Final World Position |
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px = center[0] + off_x + parent().par.Keywordpositionx |
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py = center[1] + off_y + parent().par.Keywordpositiony |
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pz = center[2] + off_z + parent().par.Keywordpositionz |
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kpx = getattr(parent().par, 'Keywordpositionx', 0) |
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kpy = getattr(parent().par, 'Keywordpositiony', 0) |
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kpz = getattr(parent().par, 'Keywordpositionz', 0) |
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px = center[0] + off_x + kpx |
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py = center[1] + off_y + kpy |
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pz = center[2] + off_z + kpz |
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# px=off_x + kpx |
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# py=off_y + kpy |
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# pz=off_z + kpz |
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# --- Calculate Rotations to face outside --- |
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dist = math.sqrt(off_x**2 + off_y**2 + off_z**2) |
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if dist > 0: |
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nx, ny, nz = off_x/dist, off_y/dist, off_z/dist |
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else: |
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nx, ny, nz = 0, 0, 1 |
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nx, ny, nz = (off_x/dist, off_y/dist, off_z/dist) if dist > 0 else (0,0,1) |
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char_ry = math.degrees(math.atan2(nx, nz)) |
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char_rx = math.degrees(math.asin(-ny)) + 90 |
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char_rz = 0 |
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char_rx = math.degrees(math.asin(max(-1, min(1, -ny)))) + 90 |
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tan_x = (ux * -math.sin(angle)) + (vx * math.cos(angle)) |
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tan_y = (uy * -math.sin(angle)) + (vy * math.cos(angle)) |
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tan_z = (uz * -math.sin(angle)) + (vz * math.cos(angle)) |
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line_ry = math.degrees(math.atan2(tan_x, tan_z)) - 90 |
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line_rx = math.degrees(math.asin(-tan_y)) |
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line_rx = math.degrees(math.asin(max(-1, min(1, -tan_y)))) |
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# ry = math.degrees(math.atan2(nx, nz)) |
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# rx = math.degrees(math.asin(-ny))-90 |
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# rz = 0 |
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if count>=str_len: |
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scale= radius*angular_step if radius>0 else 1 |
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arc_table.appendRow([px, py, pz, line_rx, line_ry, 0, scale*0.5]) |
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# scriptOp.appendRow(['-', px, py, pz, char_rx, char_ry, 0]) |
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else: |
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if count==0: |
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pi=math.pi/2.0 |
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two_pi=math.pi*2.0 |
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half_pi=math.pi*0.5 |
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arc_table.appendRow([center[0]+ kpx, center[1]+ kpy, center[2]+ kpz, |
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90, time_offset/math.pi*180.0, 0, radius, |
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(arc1_start_angle)/two_pi, |
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(arc1_end_angle)/two_pi, |
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(arc2_start_angle)/two_pi, |
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(arc2_end_angle)/two_pi, |
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]) # Header for arc table |
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if count < str_len: |
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char = full_string[count] |
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scriptOp.appendRow([char, px, py, pz, char_rx, char_ry, 0]) |
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# arc_table.appendRow([px, py, pz, rx, ry, rz, 1.0]) |
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count+=1 |
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elif count < str_len + arc_len: |
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continue |
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# if arc_table and draw_arc: |
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# scale = (radius * angular_step * 0.5) if radius > 0 else 0.1 |
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# arc_table.appendRow([px, py, pz, line_rx, line_ry, 0, scale]) |
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elif count < str_len + arc_len + sub_str_len: |
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char_idx = count - (str_len + arc_len) |
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if char_idx < len(sub_string): |
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char = sub_string[char_idx] |
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if info_table: |
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# continue |
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info_table.appendRow([char, px, py, pz, char_rx, char_ry, 0]) |
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else: |
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continue |
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# if arc_table and draw_arc: |
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# scale = (radius * angular_step * 0.5) if radius > 0 else 0.1 |
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# arc_table.appendRow([px, py, pz, line_rx, line_ry, 0, scale]) |
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return |
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def onGetCookLevel(scriptOp): |
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return CookLevel.ALWAYS |
