diff options
| -rw-r--r-- | source/blender/gpencil_modifiers/intern/MOD_gpencilarray.c | 15 | ||||
| -rw-r--r-- | source/blender/makesdna/DNA_gpencil_modifier_types.h | 1 | ||||
| -rw-r--r-- | source/blender/makesrna/intern/rna_gpencil_modifier.c | 5 |
3 files changed, 18 insertions, 3 deletions
diff --git a/source/blender/gpencil_modifiers/intern/MOD_gpencilarray.c b/source/blender/gpencil_modifiers/intern/MOD_gpencilarray.c index aa21bf192c4..0b8f150aba4 100644 --- a/source/blender/gpencil_modifiers/intern/MOD_gpencilarray.c +++ b/source/blender/gpencil_modifiers/intern/MOD_gpencilarray.c @@ -237,9 +237,17 @@ static void generate_geometry(GpencilModifierData *md, /* To ensure a nice distribution, we use halton sequence and offset using the seed. */ BLI_halton_3d(primes, offset, x, r); - for (int i = 0; i < 3; i++) { - rand[j][i] = fmodf(r[i] * 2.0 - 1.0 + rand_offset, 1.0f); - rand[j][i] = fmodf(sin(rand[j][i] * 12.9898 + j * 78.233) * 43758.5453, 1.0f); + if ((mmd->flag & GP_ARRAY_UNIFORM_RANDOM_SCALE) && j == 2) { + float rand_value; + rand_value = fmodf(r[0] * 2.0 - 1.0 + rand_offset, 1.0f); + rand_value = fmodf(sin(rand_value * 12.9898 + j * 78.233) * 43758.5453, 1.0f); + copy_v3_fl(rand[j] , rand_value); + } + else { + for (int i = 0; i < 3; i++) { + rand[j][i] = fmodf(r[i] * 2.0 - 1.0 + rand_offset, 1.0f); + rand[j][i] = fmodf(sin(rand[j][i] * 12.9898 + j * 78.233) * 43758.5453, 1.0f); + } } } /* Calculate Random matrix. */ @@ -425,6 +433,7 @@ static void random_panel_draw(const bContext *UNUSED(C), Panel *panel) uiItemR(layout, ptr, "random_offset", 0, IFACE_("Offset"), ICON_NONE); uiItemR(layout, ptr, "random_rotation", 0, IFACE_("Rotation"), ICON_NONE); uiItemR(layout, ptr, "random_scale", 0, IFACE_("Scale"), ICON_NONE); + uiItemR(layout, ptr, "use_uniform_random_scale", 0, NULL, ICON_NONE); uiItemR(layout, ptr, "seed", 0, NULL, ICON_NONE); } diff --git a/source/blender/makesdna/DNA_gpencil_modifier_types.h b/source/blender/makesdna/DNA_gpencil_modifier_types.h index bd5afc457ac..9ac40495887 100644 --- a/source/blender/makesdna/DNA_gpencil_modifier_types.h +++ b/source/blender/makesdna/DNA_gpencil_modifier_types.h @@ -351,6 +351,7 @@ typedef enum eArrayGpencil_Flag { GP_ARRAY_USE_OFFSET = (1 << 7), GP_ARRAY_USE_RELATIVE = (1 << 8), GP_ARRAY_USE_OB_OFFSET = (1 << 9), + GP_ARRAY_UNIFORM_RANDOM_SCALE = (1 << 10), } eArrayGpencil_Flag; typedef struct BuildGpencilModifierData { diff --git a/source/blender/makesrna/intern/rna_gpencil_modifier.c b/source/blender/makesrna/intern/rna_gpencil_modifier.c index 5f131de6a40..f0660392eaf 100644 --- a/source/blender/makesrna/intern/rna_gpencil_modifier.c +++ b/source/blender/makesrna/intern/rna_gpencil_modifier.c @@ -1560,6 +1560,11 @@ static void rna_def_modifier_gpencilarray(BlenderRNA *brna) RNA_def_property_boolean_sdna(prop, NULL, "flag", GP_ARRAY_USE_RELATIVE); RNA_def_property_ui_text(prop, "Shift", "Enable shift"); RNA_def_property_update(prop, 0, "rna_GpencilModifier_update"); + + prop = RNA_def_property(srna, "use_uniform_random_scale", PROP_BOOLEAN, PROP_NONE); + RNA_def_property_boolean_sdna(prop, NULL, "flag", GP_ARRAY_UNIFORM_RANDOM_SCALE); + RNA_def_property_ui_text(prop, "Uniform Scale", "Use the same random seed for each scale axis for a uniform scale"); + RNA_def_property_update(prop, 0, "rna_GpencilModifier_update"); } static void rna_def_modifier_gpencilbuild(BlenderRNA *brna) |