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Differential D1883 Diff 6334 source/blender/modifiers/intern/MOD_simpledeform.c

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source/blender/modifiers/intern/MOD_simpledeform.c

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co[axis] = val; co[axis] = val;
} }
static void simpleDeform_taper(const float factor, const float dcut[3], float r_co[3]) static void simpleDeform_taper(const float factor, const char def_axis, const float dcut[3], float r_co[3])
{ {
float x = r_co[0], y = r_co[1], z = r_co[2]; float x = r_co[0], y = r_co[1], z = r_co[2];
float scale = z * factor; float scale;
switch (def_axis) {
case MOD_SIMPLEDEFORM_DEFORM_AXIS_X:
scale = x * factor;
r_co[0] = x;
r_co[1] = y + y * scale;
r_co[2] = z + z * scale;
break;
case MOD_SIMPLEDEFORM_DEFORM_AXIS_Y:
scale = y * factor;
r_co[0] = x + x * scale;
r_co[1] = y;
r_co[2] = z + z * scale;
break;
default: /* MOD_SIMPLEDEFORM_DEFORM_AXIS_Z */
scale = z * factor;
r_co[0] = x + x * scale; r_co[0] = x + x * scale;
r_co[1] = y + y * scale; r_co[1] = y + y * scale;
r_co[2] = z; r_co[2] = z;
break;
}
{ {
r_co[0] += dcut[0]; r_co[0] += dcut[0];
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} }
} }
static void simpleDeform_stretch(const float factor, const float dcut[3], float r_co[3]) static void simpleDeform_stretch(const float factor, const char def_axis, const float dcut[3], float r_co[3])
{ {
float x = r_co[0], y = r_co[1], z = r_co[2]; float x = r_co[0], y = r_co[1], z = r_co[2];
float scale; float scale;
scale = (z * z * factor - factor + 1.0f); switch (def_axis) {
case MOD_SIMPLEDEFORM_DEFORM_AXIS_X:
scale = (x * x * factor - factor + 1.0f);
r_co[0] = x * (1.0f + factor);
r_co[1] = y * scale;
r_co[2] = z * scale;
break;
case MOD_SIMPLEDEFORM_DEFORM_AXIS_Y:
scale = (y * y * factor - factor + 1.0f);
r_co[0] = x * scale;
r_co[1] = y * (1.0f + factor);
r_co[2] = z * scale;
r_co[0] = x * scale; break;
r_co[1] = y * scale; default: /* MOD_SIMPLEDEFORM_DEFORM_AXIS_Z */
r_co[2] = z * (1.0f + factor); scale = (z * z * factor - factor + 1.0f);
r_co[0] = x * scale;
r_co[1] = y * scale;
r_co[2] = z * (1.0f + factor);
break;
}
{ {
r_co[0] += dcut[0]; r_co[0] += dcut[0];
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} }
} }
static void simpleDeform_twist(const float factor, const float *dcut, float r_co[3]) static void simpleDeform_twist(const float factor, const char def_axis, const float *dcut, float r_co[3])
{ {
float x = r_co[0], y = r_co[1], z = r_co[2]; float x = r_co[0], y = r_co[1], z = r_co[2];
float theta, sint, cost; float theta, sint, cost;
theta = z * factor; switch (def_axis) {
sint = sinf(theta); case MOD_SIMPLEDEFORM_DEFORM_AXIS_X:
cost = cosf(theta); theta = x * factor;
sint = sinf(theta);
r_co[0] = x * cost - y * sint; cost = cosf(theta);
r_co[1] = x * sint + y * cost;
r_co[2] = z; r_co[0] = x;
r_co[1] = y * cost - z * sint;
r_co[2] = y * sint + z * cost;;
break;
case MOD_SIMPLEDEFORM_DEFORM_AXIS_Y:
theta = y * factor;
sint = sinf(theta);
cost = cosf(theta);
r_co[0] = z * sint + x * cost;
r_co[1] = y;
r_co[2] = z * cost - x * sint;
break;
default: /* MOD_SIMPLEDEFORM_DEFORM_AXIS_Z */
theta = z * factor;
sint = sinf(theta);
cost = cosf(theta);
r_co[0] = x * cost - y * sint;
r_co[1] = x * sint + y * cost;
r_co[2] = z;
break;
}
{ {
r_co[0] += dcut[0]; r_co[0] += dcut[0];
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} }
} }
static void simpleDeform_bend(const float factor, const float dcut[3], float r_co[3]) static void simpleDeform_bend(const float factor, const char def_axis, const float dcut[3], float r_co[3])
{ {
float x = r_co[0], y = r_co[1], z = r_co[2]; float x = r_co[0], y = r_co[1], z = r_co[2];
float theta, sint, cost; float theta, sint, cost;
BLI_assert(!(fabsf(factor) < BEND_EPS)); BLI_assert(!(fabsf(factor) < BEND_EPS));
theta = x * factor; switch (def_axis) {
sint = sinf(theta); case MOD_SIMPLEDEFORM_DEFORM_AXIS_X:
cost = cosf(theta); theta = y * factor;
sint = sinf(theta);
r_co[0] = -(y - 1.0f / factor) * sint; cost = cosf(theta);
r_co[1] = (y - 1.0f / factor) * cost + 1.0f / factor;
r_co[2] = z; r_co[0] = x;
r_co[1] = -(z - 1.0f / factor) * sint;
{ r_co[2] = (z - 1.0f / factor) * cost + 1.0f / factor;
r_co[0] += cost * dcut[0];
r_co[1] += sint * dcut[0]; /* limited on Y */
r_co[2] += dcut[2]; r_co[0] += dcut[0];
r_co[1] += cost * dcut[1];
r_co[2] += sint * dcut[1];
break;
case MOD_SIMPLEDEFORM_DEFORM_AXIS_Y:
theta = z * factor;
sint = sinf(theta);
cost = cosf(theta);
r_co[0] = (x - 1.0f / factor) * cost + 1.0f / factor;
r_co[1] = y;
r_co[2] = -(x - 1.0f / factor) * sint;
/* limited on Z */
r_co[0] += sint * dcut[2];
r_co[1] += dcut[1];
r_co[2] += cost * dcut[2];
break;
default: /* MOD_SIMPLEDEFORM_DEFORM_AXIS_Z */
theta = x * factor;
sint = sinf(theta);
cost = cosf(theta);
r_co[0] = -(y - 1.0f / factor) * sint;
r_co[1] = (y - 1.0f / factor) * cost + 1.0f / factor;
r_co[2] = z;
/* limited on X */
r_co[0] += cost * dcut[0];
r_co[1] += sint * dcut[0];
r_co[2] += dcut[2];
break;
} }
} }
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int i; int i;
int limit_axis = 0; int limit_axis = 0;
int axes_to_lock[2]; /* They are changing with respect to smd->def_axis */
float smd_limit[2], smd_factor; float smd_limit[2], smd_factor;
SpaceTransform *transf = NULL, tmp_transf; SpaceTransform *transf = NULL, tmp_transf;
void (*simpleDeform_callback)(const float factor, const float dcut[3], float co[3]) = NULL; /* Mode callback */ void (*simpleDeform_callback)(const float factor, const char def_axis, const float dcut[3], float co[3]) = NULL; /* Mode callback */
int vgroup; int vgroup;
MDeformVert *dvert; MDeformVert *dvert;
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} }
/* Setup vars, /* Setup vars,
* Bend limits on X.. all other modes limit on Z */ * Bend limits on (projected) X.. all other modes limit on (projected) Z */
limit_axis = (smd->mode == MOD_SIMPLEDEFORM_MODE_BEND) ? 0 : 2; switch (smd->def_axis) {
case MOD_SIMPLEDEFORM_DEFORM_AXIS_X:
axes_to_lock[0] = 1;
axes_to_lock[1] = 2;
limit_axis = (smd->mode == MOD_SIMPLEDEFORM_MODE_BEND) ? 1 : 0;
break;
case MOD_SIMPLEDEFORM_DEFORM_AXIS_Y:
axes_to_lock[0] = 2;
axes_to_lock[1] = 0;
limit_axis = (smd->mode == MOD_SIMPLEDEFORM_MODE_BEND) ? 2 : 1;
break;
default: /* MOD_SIMPLEDEFORM_DEFORM_AXIS_Z */
axes_to_lock[0] = 0;
axes_to_lock[1] = 1;
limit_axis = (smd->mode == MOD_SIMPLEDEFORM_MODE_BEND) ? 0 : 2;
break;
}
/* Update limits if needed */ /* Update limits if needed */
{ {
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/* Apply axis limits */ /* Apply axis limits */
if (smd->mode != MOD_SIMPLEDEFORM_MODE_BEND) { /* Bend mode shoulnt have any lock axis */ if (smd->mode != MOD_SIMPLEDEFORM_MODE_BEND) { /* Bend mode shoulnt have any lock axis */
if (smd->axis & MOD_SIMPLEDEFORM_LOCK_AXIS_X) axis_limit(0, lock_axis, co, dcut); if (smd->axis & MOD_SIMPLEDEFORM_LOCK_AXIS_X) axis_limit(axes_to_lock[0], lock_axis, co, dcut);
if (smd->axis & MOD_SIMPLEDEFORM_LOCK_AXIS_Y) axis_limit(1, lock_axis, co, dcut); if (smd->axis & MOD_SIMPLEDEFORM_LOCK_AXIS_Y) axis_limit(axes_to_lock[1], lock_axis, co, dcut);
} }
axis_limit(limit_axis, smd_limit, co, dcut); axis_limit(limit_axis, smd_limit, co, dcut);
simpleDeform_callback(smd_factor, dcut, co); /* apply deform */ simpleDeform_callback(smd_factor, smd->def_axis, dcut, co); /* apply deform */
interp_v3_v3v3(vertexCos[i], vertexCos[i], co, weight); /* Use vertex weight has coef of linear interpolation */ interp_v3_v3v3(vertexCos[i], vertexCos[i], co, weight); /* Use vertex weight has coef of linear interpolation */
if (transf) { if (transf) {
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{ {
SimpleDeformModifierData *smd = (SimpleDeformModifierData *) md; SimpleDeformModifierData *smd = (SimpleDeformModifierData *) md;
smd->mode = MOD_SIMPLEDEFORM_MODE_TWIST; smd->mode = MOD_SIMPLEDEFORM_MODE_TWIST;
smd->axis = 0; smd->axis = 0;
smd->def_axis = 2;
smd->origin = NULL; smd->origin = NULL;
smd->factor = DEG2RADF(45.0f); smd->factor = DEG2RADF(45.0f);
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