From 4ae5aa01539846c160228e3428e49a24d5c27cf7 Mon Sep 17 00:00:00 2001 From: Yuri Roubinsky Date: Wed, 27 Jan 2021 13:06:02 +0300 Subject: [PATCH] [3.2] Fix particles not properly modified by their lifetime --- scene/2d/cpu_particles_2d.cpp | 34 ++++++++++++++------------ scene/3d/cpu_particles.cpp | 34 ++++++++++++++------------ scene/resources/particles_material.cpp | 29 ++++++++++++---------- 3 files changed, 54 insertions(+), 43 deletions(-) diff --git a/scene/2d/cpu_particles_2d.cpp b/scene/2d/cpu_particles_2d.cpp index c18b2ace0ac..2166024f71d 100644 --- a/scene/2d/cpu_particles_2d.cpp +++ b/scene/2d/cpu_particles_2d.cpp @@ -715,6 +715,8 @@ void CPUParticles2D::_particles_process(float p_delta) { restart = true; } + float tv = 0.0; + if (restart) { if (!emitting) { @@ -730,12 +732,12 @@ void CPUParticles2D::_particles_process(float p_delta) { float tex_angle = 0.0; if (curve_parameters[PARAM_ANGLE].is_valid()) { - tex_angle = curve_parameters[PARAM_ANGLE]->interpolate(0); + tex_angle = curve_parameters[PARAM_ANGLE]->interpolate(tv); } float tex_anim_offset = 0.0; if (curve_parameters[PARAM_ANGLE].is_valid()) { - tex_anim_offset = curve_parameters[PARAM_ANGLE]->interpolate(0); + tex_anim_offset = curve_parameters[PARAM_ANGLE]->interpolate(tv); } p.seed = Math::rand(); @@ -810,60 +812,62 @@ void CPUParticles2D::_particles_process(float p_delta) { continue; } else if (p.time > p.lifetime) { p.active = false; + tv = 1.0; } else { uint32_t alt_seed = p.seed; p.time += local_delta; p.custom[1] = p.time / lifetime; + tv = p.time / p.lifetime; float tex_linear_velocity = 0.0; if (curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) { - tex_linear_velocity = curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY]->interpolate(p.custom[1]); + tex_linear_velocity = curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY]->interpolate(tv); } float tex_orbit_velocity = 0.0; if (curve_parameters[PARAM_ORBIT_VELOCITY].is_valid()) { - tex_orbit_velocity = curve_parameters[PARAM_ORBIT_VELOCITY]->interpolate(p.custom[1]); + tex_orbit_velocity = curve_parameters[PARAM_ORBIT_VELOCITY]->interpolate(tv); } float tex_angular_velocity = 0.0; if (curve_parameters[PARAM_ANGULAR_VELOCITY].is_valid()) { - tex_angular_velocity = curve_parameters[PARAM_ANGULAR_VELOCITY]->interpolate(p.custom[1]); + tex_angular_velocity = curve_parameters[PARAM_ANGULAR_VELOCITY]->interpolate(tv); } float tex_linear_accel = 0.0; if (curve_parameters[PARAM_LINEAR_ACCEL].is_valid()) { - tex_linear_accel = curve_parameters[PARAM_LINEAR_ACCEL]->interpolate(p.custom[1]); + tex_linear_accel = curve_parameters[PARAM_LINEAR_ACCEL]->interpolate(tv); } float tex_tangential_accel = 0.0; if (curve_parameters[PARAM_TANGENTIAL_ACCEL].is_valid()) { - tex_tangential_accel = curve_parameters[PARAM_TANGENTIAL_ACCEL]->interpolate(p.custom[1]); + tex_tangential_accel = curve_parameters[PARAM_TANGENTIAL_ACCEL]->interpolate(tv); } float tex_radial_accel = 0.0; if (curve_parameters[PARAM_RADIAL_ACCEL].is_valid()) { - tex_radial_accel = curve_parameters[PARAM_RADIAL_ACCEL]->interpolate(p.custom[1]); + tex_radial_accel = curve_parameters[PARAM_RADIAL_ACCEL]->interpolate(tv); } float tex_damping = 0.0; if (curve_parameters[PARAM_DAMPING].is_valid()) { - tex_damping = curve_parameters[PARAM_DAMPING]->interpolate(p.custom[1]); + tex_damping = curve_parameters[PARAM_DAMPING]->interpolate(tv); } float tex_angle = 0.0; if (curve_parameters[PARAM_ANGLE].is_valid()) { - tex_angle = curve_parameters[PARAM_ANGLE]->interpolate(p.custom[1]); + tex_angle = curve_parameters[PARAM_ANGLE]->interpolate(tv); } float tex_anim_speed = 0.0; if (curve_parameters[PARAM_ANIM_SPEED].is_valid()) { - tex_anim_speed = curve_parameters[PARAM_ANIM_SPEED]->interpolate(p.custom[1]); + tex_anim_speed = curve_parameters[PARAM_ANIM_SPEED]->interpolate(tv); } float tex_anim_offset = 0.0; if (curve_parameters[PARAM_ANIM_OFFSET].is_valid()) { - tex_anim_offset = curve_parameters[PARAM_ANIM_OFFSET]->interpolate(p.custom[1]); + tex_anim_offset = curve_parameters[PARAM_ANIM_OFFSET]->interpolate(tv); } Vector2 force = gravity; @@ -916,12 +920,12 @@ void CPUParticles2D::_particles_process(float p_delta) { float tex_scale = 1.0; if (curve_parameters[PARAM_SCALE].is_valid()) { - tex_scale = curve_parameters[PARAM_SCALE]->interpolate(p.custom[1]); + tex_scale = curve_parameters[PARAM_SCALE]->interpolate(tv); } float tex_hue_variation = 0.0; if (curve_parameters[PARAM_HUE_VARIATION].is_valid()) { - tex_hue_variation = curve_parameters[PARAM_HUE_VARIATION]->interpolate(p.custom[1]); + tex_hue_variation = curve_parameters[PARAM_HUE_VARIATION]->interpolate(tv); } float hue_rot_angle = (parameters[PARAM_HUE_VARIATION] + tex_hue_variation) * Math_PI * 2.0 * Math::lerp(1.0f, p.hue_rot_rand * 2.0f - 1.0f, randomness[PARAM_HUE_VARIATION]); @@ -940,7 +944,7 @@ void CPUParticles2D::_particles_process(float p_delta) { } if (color_ramp.is_valid()) { - p.color = color_ramp->get_color_at_offset(p.custom[1]) * color; + p.color = color_ramp->get_color_at_offset(tv) * color; } else { p.color = color; } diff --git a/scene/3d/cpu_particles.cpp b/scene/3d/cpu_particles.cpp index 25761a79d57..4207e0b328e 100644 --- a/scene/3d/cpu_particles.cpp +++ b/scene/3d/cpu_particles.cpp @@ -680,6 +680,8 @@ void CPUParticles::_particles_process(float p_delta) { restart = true; } + float tv = 0.0; + if (restart) { if (!emitting) { @@ -695,12 +697,12 @@ void CPUParticles::_particles_process(float p_delta) { float tex_angle = 0.0; if (curve_parameters[PARAM_ANGLE].is_valid()) { - tex_angle = curve_parameters[PARAM_ANGLE]->interpolate(0); + tex_angle = curve_parameters[PARAM_ANGLE]->interpolate(tv); } float tex_anim_offset = 0.0; if (curve_parameters[PARAM_ANGLE].is_valid()) { - tex_anim_offset = curve_parameters[PARAM_ANGLE]->interpolate(0); + tex_anim_offset = curve_parameters[PARAM_ANGLE]->interpolate(tv); } p.seed = Math::rand(); @@ -806,62 +808,64 @@ void CPUParticles::_particles_process(float p_delta) { continue; } else if (p.time > p.lifetime) { p.active = false; + tv = 1.0; } else { uint32_t alt_seed = p.seed; p.time += local_delta; p.custom[1] = p.time / lifetime; + tv = p.time / p.lifetime; float tex_linear_velocity = 0.0; if (curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) { - tex_linear_velocity = curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY]->interpolate(p.custom[1]); + tex_linear_velocity = curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY]->interpolate(tv); } float tex_orbit_velocity = 0.0; if (flags[FLAG_DISABLE_Z]) { if (curve_parameters[PARAM_ORBIT_VELOCITY].is_valid()) { - tex_orbit_velocity = curve_parameters[PARAM_ORBIT_VELOCITY]->interpolate(p.custom[1]); + tex_orbit_velocity = curve_parameters[PARAM_ORBIT_VELOCITY]->interpolate(tv); } } float tex_angular_velocity = 0.0; if (curve_parameters[PARAM_ANGULAR_VELOCITY].is_valid()) { - tex_angular_velocity = curve_parameters[PARAM_ANGULAR_VELOCITY]->interpolate(p.custom[1]); + tex_angular_velocity = curve_parameters[PARAM_ANGULAR_VELOCITY]->interpolate(tv); } float tex_linear_accel = 0.0; if (curve_parameters[PARAM_LINEAR_ACCEL].is_valid()) { - tex_linear_accel = curve_parameters[PARAM_LINEAR_ACCEL]->interpolate(p.custom[1]); + tex_linear_accel = curve_parameters[PARAM_LINEAR_ACCEL]->interpolate(tv); } float tex_tangential_accel = 0.0; if (curve_parameters[PARAM_TANGENTIAL_ACCEL].is_valid()) { - tex_tangential_accel = curve_parameters[PARAM_TANGENTIAL_ACCEL]->interpolate(p.custom[1]); + tex_tangential_accel = curve_parameters[PARAM_TANGENTIAL_ACCEL]->interpolate(tv); } float tex_radial_accel = 0.0; if (curve_parameters[PARAM_RADIAL_ACCEL].is_valid()) { - tex_radial_accel = curve_parameters[PARAM_RADIAL_ACCEL]->interpolate(p.custom[1]); + tex_radial_accel = curve_parameters[PARAM_RADIAL_ACCEL]->interpolate(tv); } float tex_damping = 0.0; if (curve_parameters[PARAM_DAMPING].is_valid()) { - tex_damping = curve_parameters[PARAM_DAMPING]->interpolate(p.custom[1]); + tex_damping = curve_parameters[PARAM_DAMPING]->interpolate(tv); } float tex_angle = 0.0; if (curve_parameters[PARAM_ANGLE].is_valid()) { - tex_angle = curve_parameters[PARAM_ANGLE]->interpolate(p.custom[1]); + tex_angle = curve_parameters[PARAM_ANGLE]->interpolate(tv); } float tex_anim_speed = 0.0; if (curve_parameters[PARAM_ANIM_SPEED].is_valid()) { - tex_anim_speed = curve_parameters[PARAM_ANIM_SPEED]->interpolate(p.custom[1]); + tex_anim_speed = curve_parameters[PARAM_ANIM_SPEED]->interpolate(tv); } float tex_anim_offset = 0.0; if (curve_parameters[PARAM_ANIM_OFFSET].is_valid()) { - tex_anim_offset = curve_parameters[PARAM_ANIM_OFFSET]->interpolate(p.custom[1]); + tex_anim_offset = curve_parameters[PARAM_ANIM_OFFSET]->interpolate(tv); } Vector3 force = gravity; @@ -925,12 +929,12 @@ void CPUParticles::_particles_process(float p_delta) { float tex_scale = 1.0; if (curve_parameters[PARAM_SCALE].is_valid()) { - tex_scale = curve_parameters[PARAM_SCALE]->interpolate(p.custom[1]); + tex_scale = curve_parameters[PARAM_SCALE]->interpolate(tv); } float tex_hue_variation = 0.0; if (curve_parameters[PARAM_HUE_VARIATION].is_valid()) { - tex_hue_variation = curve_parameters[PARAM_HUE_VARIATION]->interpolate(p.custom[1]); + tex_hue_variation = curve_parameters[PARAM_HUE_VARIATION]->interpolate(tv); } float hue_rot_angle = (parameters[PARAM_HUE_VARIATION] + tex_hue_variation) * Math_PI * 2.0 * Math::lerp(1.0f, p.hue_rot_rand * 2.0f - 1.0f, randomness[PARAM_HUE_VARIATION]); @@ -949,7 +953,7 @@ void CPUParticles::_particles_process(float p_delta) { } if (color_ramp.is_valid()) { - p.color = color_ramp->get_color_at_offset(p.custom[1]) * color; + p.color = color_ramp->get_color_at_offset(tv) * color; } else { p.color = color; } diff --git a/scene/resources/particles_material.cpp b/scene/resources/particles_material.cpp index d9f2eb60723..05b5743a480 100644 --- a/scene/resources/particles_material.cpp +++ b/scene/resources/particles_material.cpp @@ -292,8 +292,10 @@ void ParticlesMaterial::_update_shader() { code += " ivec2 emission_tex_ofs = ivec2(point % emission_tex_size.x, point / emission_tex_size.x);\n"; } code += " bool restart = false;\n"; + code += " float tv = 0.0;\n"; code += " if (CUSTOM.y > CUSTOM.w) {\n"; code += " restart = true;\n"; + code += " tv = 1.0;\n"; code += " }\n\n"; code += " if (RESTART || restart) {\n"; @@ -388,56 +390,57 @@ void ParticlesMaterial::_update_shader() { code += " } else {\n"; code += " CUSTOM.y += DELTA / LIFETIME;\n"; + code += " tv = CUSTOM.y / CUSTOM.w;\n"; if (tex_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) - code += " float tex_linear_velocity = textureLod(linear_velocity_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n"; + code += " float tex_linear_velocity = textureLod(linear_velocity_texture, vec2(tv, 0.0), 0.0).r;\n"; else code += " float tex_linear_velocity = 0.0;\n"; if (flags[FLAG_DISABLE_Z]) { if (tex_parameters[PARAM_ORBIT_VELOCITY].is_valid()) - code += " float tex_orbit_velocity = textureLod(orbit_velocity_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n"; + code += " float tex_orbit_velocity = textureLod(orbit_velocity_texture, vec2(tv, 0.0), 0.0).r;\n"; else code += " float tex_orbit_velocity = 0.0;\n"; } if (tex_parameters[PARAM_ANGULAR_VELOCITY].is_valid()) - code += " float tex_angular_velocity = textureLod(angular_velocity_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n"; + code += " float tex_angular_velocity = textureLod(angular_velocity_texture, vec2(tv, 0.0), 0.0).r;\n"; else code += " float tex_angular_velocity = 0.0;\n"; if (tex_parameters[PARAM_LINEAR_ACCEL].is_valid()) - code += " float tex_linear_accel = textureLod(linear_accel_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n"; + code += " float tex_linear_accel = textureLod(linear_accel_texture, vec2(tv, 0.0), 0.0).r;\n"; else code += " float tex_linear_accel = 0.0;\n"; if (tex_parameters[PARAM_RADIAL_ACCEL].is_valid()) - code += " float tex_radial_accel = textureLod(radial_accel_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n"; + code += " float tex_radial_accel = textureLod(radial_accel_texture, vec2(tv, 0.0), 0.0).r;\n"; else code += " float tex_radial_accel = 0.0;\n"; if (tex_parameters[PARAM_TANGENTIAL_ACCEL].is_valid()) - code += " float tex_tangent_accel = textureLod(tangent_accel_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n"; + code += " float tex_tangent_accel = textureLod(tangent_accel_texture, vec2(tv, 0.0), 0.0).r;\n"; else code += " float tex_tangent_accel = 0.0;\n"; if (tex_parameters[PARAM_DAMPING].is_valid()) - code += " float tex_damping = textureLod(damping_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n"; + code += " float tex_damping = textureLod(damping_texture, vec2(tv, 0.0), 0.0).r;\n"; else code += " float tex_damping = 0.0;\n"; if (tex_parameters[PARAM_ANGLE].is_valid()) - code += " float tex_angle = textureLod(angle_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n"; + code += " float tex_angle = textureLod(angle_texture, vec2(tv, 0.0), 0.0).r;\n"; else code += " float tex_angle = 0.0;\n"; if (tex_parameters[PARAM_ANIM_SPEED].is_valid()) - code += " float tex_anim_speed = textureLod(anim_speed_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n"; + code += " float tex_anim_speed = textureLod(anim_speed_texture, vec2(tv, 0.0), 0.0).r;\n"; else code += " float tex_anim_speed = 0.0;\n"; if (tex_parameters[PARAM_ANIM_OFFSET].is_valid()) - code += " float tex_anim_offset = textureLod(anim_offset_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n"; + code += " float tex_anim_offset = textureLod(anim_offset_texture, vec2(tv, 0.0), 0.0).r;\n"; else code += " float tex_anim_offset = 0.0;\n"; @@ -495,12 +498,12 @@ void ParticlesMaterial::_update_shader() { // apply color // apply hue rotation if (tex_parameters[PARAM_SCALE].is_valid()) - code += " float tex_scale = textureLod(scale_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n"; + code += " float tex_scale = textureLod(scale_texture, vec2(tv, 0.0), 0.0).r;\n"; else code += " float tex_scale = 1.0;\n"; if (tex_parameters[PARAM_HUE_VARIATION].is_valid()) - code += " float tex_hue_variation = textureLod(hue_variation_texture, vec2(CUSTOM.y, 0.0), 0.0).r;\n"; + code += " float tex_hue_variation = textureLod(hue_variation_texture, vec2(tv, 0.0), 0.0).r;\n"; else code += " float tex_hue_variation = 0.0;\n"; @@ -520,7 +523,7 @@ void ParticlesMaterial::_update_shader() { code += " vec4(1.250, -1.050, -0.203, 0.0),\n"; code += " vec4(0.000, 0.000, 0.000, 0.0)) * hue_rot_s;\n"; if (color_ramp.is_valid()) { - code += " COLOR = hue_rot_mat * textureLod(color_ramp, vec2(CUSTOM.y, 0.0), 0.0);\n"; + code += " COLOR = hue_rot_mat * textureLod(color_ramp, vec2(tv, 0.0), 0.0);\n"; } else { code += " COLOR = hue_rot_mat * color_value;\n"; }