diff options
Diffstat (limited to 'scene/resources/particles_material.cpp')
| -rw-r--r-- | scene/resources/particles_material.cpp | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/scene/resources/particles_material.cpp b/scene/resources/particles_material.cpp index c5956d9bc2..baeb88400e 100644 --- a/scene/resources/particles_material.cpp +++ b/scene/resources/particles_material.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ @@ -198,6 +198,9 @@ void ParticlesMaterial::_update_shader() { code += "uniform sampler2D emission_texture_color : hint_white;\n"; } } break; + case EMISSION_SHAPE_MAX: { // Max value for validity check. + break; + } } code += "uniform vec4 color_value : hint_color;\n"; @@ -283,7 +286,7 @@ void ParticlesMaterial::_update_shader() { code += " float degree_to_rad = pi / 180.0;\n"; code += "\n"; - if (emission_shape >= EMISSION_SHAPE_POINTS) { + if (emission_shape == EMISSION_SHAPE_POINTS || emission_shape == EMISSION_SHAPE_DIRECTED_POINTS) { code += " int point = min(emission_texture_point_count - 1, int(rand_from_seed(alt_seed) * float(emission_texture_point_count)));\n"; code += " ivec2 emission_tex_size = textureSize(emission_texture_points, 0);\n"; code += " ivec2 emission_tex_ofs = ivec2(point % emission_tex_size.x, point / emission_tex_size.x);\n"; @@ -313,14 +316,17 @@ void ParticlesMaterial::_update_shader() { if (flags[FLAG_DISABLE_Z]) { - code += " float angle1_rad = atan(direction.y, direction.x) + rand_from_seed_m1_p1(alt_seed) * spread_rad;\n"; + code += " float angle1_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad;\n"; + code += " angle1_rad += direction.x != 0.0 ? atan(direction.y, direction.x) : sign(direction.y) * (pi / 2.0);\n"; code += " vec3 rot = vec3(cos(angle1_rad), sin(angle1_rad), 0.0);\n"; code += " VELOCITY = rot * initial_linear_velocity * mix(1.0, rand_from_seed(alt_seed), initial_linear_velocity_random);\n"; } else { //initiate velocity spread in 3D - code += " float angle1_rad = atan(direction.x, direction.z) + rand_from_seed_m1_p1(alt_seed) * spread_rad;\n"; - code += " float angle2_rad = atan(direction.y, abs(direction.z)) + rand_from_seed_m1_p1(alt_seed) * spread_rad * (1.0 - flatness);\n"; + code += " float angle1_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad;\n"; + code += " float angle2_rad = rand_from_seed_m1_p1(alt_seed) * spread_rad * (1.0 - flatness);\n"; + code += " angle1_rad += direction.z != 0.0 ? atan(direction.x, direction.z) : sign(direction.x) * (pi / 2.0);\n"; + code += " angle2_rad += direction.z != 0.0 ? atan(direction.y, abs(direction.z)) : (direction.x != 0.0 ? atan(direction.y, abs(direction.x)) : sign(direction.y) * (pi / 2.0));\n"; code += " vec3 direction_xz = vec3(sin(angle1_rad), 0.0, cos(angle1_rad));\n"; code += " vec3 direction_yz = vec3(0.0, sin(angle2_rad), cos(angle2_rad));\n"; code += " direction_yz.z = direction_yz.z / max(0.0001,sqrt(abs(direction_yz.z))); // better uniform distribution\n"; @@ -368,6 +374,9 @@ void ParticlesMaterial::_update_shader() { } } } break; + case EMISSION_SHAPE_MAX: { // Max value for validity check. + break; + } } code += " VELOCITY = (EMISSION_TRANSFORM * vec4(VELOCITY, 0.0)).xyz;\n"; code += " TRANSFORM = EMISSION_TRANSFORM * TRANSFORM;\n"; @@ -515,7 +524,7 @@ void ParticlesMaterial::_update_shader() { } else { code += " COLOR = hue_rot_mat * color_value;\n"; } - if (emission_color_texture.is_valid() && emission_shape >= EMISSION_SHAPE_POINTS) { + if (emission_color_texture.is_valid() && (emission_shape == EMISSION_SHAPE_POINTS || emission_shape == EMISSION_SHAPE_DIRECTED_POINTS)) { code += " COLOR *= texelFetch(emission_texture_color, emission_tex_ofs, 0);\n"; } if (trail_color_modifier.is_valid()) { @@ -894,7 +903,7 @@ bool ParticlesMaterial::get_flag(Flags p_flag) const { } void ParticlesMaterial::set_emission_shape(EmissionShape p_shape) { - + ERR_FAIL_INDEX(p_shape, EMISSION_SHAPE_MAX); emission_shape = p_shape; _change_notify(); _queue_shader_change(); @@ -1242,6 +1251,7 @@ void ParticlesMaterial::_bind_methods() { BIND_ENUM_CONSTANT(EMISSION_SHAPE_BOX); BIND_ENUM_CONSTANT(EMISSION_SHAPE_POINTS); BIND_ENUM_CONSTANT(EMISSION_SHAPE_DIRECTED_POINTS); + BIND_ENUM_CONSTANT(EMISSION_SHAPE_MAX); } ParticlesMaterial::ParticlesMaterial() : |