diff options
Diffstat (limited to 'source/blender/gpencil_modifiers/intern/MOD_gpencilnoise.c')
| -rw-r--r-- | source/blender/gpencil_modifiers/intern/MOD_gpencilnoise.c | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/source/blender/gpencil_modifiers/intern/MOD_gpencilnoise.c b/source/blender/gpencil_modifiers/intern/MOD_gpencilnoise.c index e2f4d34ff40..f80ad60eb07 100644 --- a/source/blender/gpencil_modifiers/intern/MOD_gpencilnoise.c +++ b/source/blender/gpencil_modifiers/intern/MOD_gpencilnoise.c @@ -110,11 +110,11 @@ static bool dependsOnTime(GpencilModifierData *md) return (mmd->flag & GP_NOISE_USE_RANDOM) != 0; } -static float *noise_table(int len, int seed) +static float *noise_table(int len, int offset, int seed) { float *table = MEM_callocN(sizeof(float) * len, __func__); for (int i = 0; i < len; i++) { - table[i] = BLI_hash_int_01(BLI_hash_int_2d(seed, i + 1)); + table[i] = BLI_hash_int_01(BLI_hash_int_2d(seed, i + offset + 1)); } return table; } @@ -172,11 +172,19 @@ static void deformStroke(GpencilModifierData *md, /* Sanitize as it can create out of bound reads. */ float noise_scale = clamp_f(mmd->noise_scale, 0.0f, 1.0f); - int len = ceilf(gps->totpoints * noise_scale) + 1; - float *noise_table_position = (mmd->factor > 0.0f) ? noise_table(len, seed + 2) : NULL; - float *noise_table_strength = (mmd->factor_strength > 0.0f) ? noise_table(len, seed + 3) : NULL; - float *noise_table_thickness = (mmd->factor_thickness > 0.0f) ? noise_table(len, seed) : NULL; - float *noise_table_uvs = (mmd->factor_uvs > 0.0f) ? noise_table(len, seed + 4) : NULL; + int len = ceilf(gps->totpoints * noise_scale) + 2; + float *noise_table_position = (mmd->factor > 0.0f) ? + noise_table(len, (int)floor(mmd->noise_offset), seed + 2) : + NULL; + float *noise_table_strength = (mmd->factor_strength > 0.0f) ? + noise_table(len, (int)floor(mmd->noise_offset), seed + 3) : + NULL; + float *noise_table_thickness = (mmd->factor_thickness > 0.0f) ? + noise_table(len, (int)floor(mmd->noise_offset), seed) : + NULL; + float *noise_table_uvs = (mmd->factor_uvs > 0.0f) ? + noise_table(len, (int)floor(mmd->noise_offset), seed + 4) : + NULL; /* Calculate stroke normal. */ if (gps->totpoints > 2) { @@ -225,24 +233,27 @@ static void deformStroke(GpencilModifierData *md, cross_v3_v3v3(vec2, vec1, normal); normalize_v3(vec2); - float noise = table_sample(noise_table_position, i * noise_scale); + float noise = table_sample(noise_table_position, + i * noise_scale + fractf(mmd->noise_offset)); madd_v3_v3fl(&pt->x, vec2, (noise * 2.0f - 1.0f) * weight * mmd->factor * 0.1f); } if (mmd->factor_thickness > 0.0f) { - float noise = table_sample(noise_table_thickness, i * noise_scale); + float noise = table_sample(noise_table_thickness, + i * noise_scale + fractf(mmd->noise_offset)); pt->pressure *= max_ff(1.0f + (noise * 2.0f - 1.0f) * weight * mmd->factor_thickness, 0.0f); CLAMP_MIN(pt->pressure, GPENCIL_STRENGTH_MIN); } if (mmd->factor_strength > 0.0f) { - float noise = table_sample(noise_table_strength, i * noise_scale); + float noise = table_sample(noise_table_strength, + i * noise_scale + fractf(mmd->noise_offset)); pt->strength *= max_ff(1.0f - noise * weight * mmd->factor_strength, 0.0f); CLAMP(pt->strength, GPENCIL_STRENGTH_MIN, 1.0f); } if (mmd->factor_uvs > 0.0f) { - float noise = table_sample(noise_table_uvs, i * noise_scale); + float noise = table_sample(noise_table_uvs, i * noise_scale + fractf(mmd->noise_offset)); pt->uv_rot += (noise * 2.0f - 1.0f) * weight * mmd->factor_uvs * M_PI_2; CLAMP(pt->uv_rot, -M_PI_2, M_PI_2); } @@ -292,6 +303,8 @@ static void panel_draw(const bContext *UNUSED(C), Panel *panel) uiItemR(col, ptr, "factor_thickness", 0, IFACE_("Thickness"), ICON_NONE); uiItemR(col, ptr, "factor_uvs", 0, IFACE_("UV"), ICON_NONE); uiItemR(col, ptr, "noise_scale", 0, NULL, ICON_NONE); + uiItemR(col, ptr, "noise_offset", 0, NULL, ICON_NONE); + uiItemR(col, ptr, "seed", 0, NULL, ICON_NONE); gpencil_modifier_panel_end(layout, ptr); } @@ -316,7 +329,6 @@ static void random_panel_draw(const bContext *UNUSED(C), Panel *panel) uiLayoutSetActive(layout, RNA_boolean_get(ptr, "random")); uiItemR(layout, ptr, "step", 0, NULL, ICON_NONE); - uiItemR(layout, ptr, "seed", 0, NULL, ICON_NONE); } static void mask_panel_draw(const bContext *UNUSED(C), Panel *panel) |