Igor Elovikov
87 lines
3.4 KiB
Plaintext
87 lines
3.4 KiB
Plaintext
#############################################################################################
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:: macro init_parameter_random(param_name, input_offset, additive = false, no_export = false)
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p_{{ param_name }} = uniform_ab({{ param_name }} - {{ param_name }} * {{ param_name }}_random, {{ param_name }})
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:: if input_offset > -1
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map_sample = samplelum(p_position, {{ input_offset }}, 1)
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:: if not additive
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p_{{ param_name }} = p_{{ param_name }} * map_sample if use_{{ param_name }}_map and not dynamic_{{ param_name }}_map else p_{{ param_name }}
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:: else
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p_{{ param_name }} = p_{{ param_name }} + map_sample if use_{{ param_name }}_map and not dynamic_{{ param_name }}_map else p_{{ param_name }}
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::endif
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:: if not no_export
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export(p_{{ param_name }})
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:: endif
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:: endif
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:: endmacro
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#############################################################################################
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:: macro init_parameter_var(param_name, input_offset, additive = false, no_export = false)
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p_{{ param_name }} = uniform_ab({{ param_name }} - {{ param_name }}_var, {{ param_name }} + {{ param_name }}_var)
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:: if input_offset > -1
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map_sample = samplelum(p_position, {{ input_offset }}, 1)
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:: if not additive
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p_{{ param_name }} = p_{{ param_name }} * map_sample if use_{{ param_name }}_map and not dynamic_{{ param_name }}_map else p_{{ param_name }}
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:: else
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p_{{ param_name }} = p_{{ param_name }} + map_sample if use_{{ param_name }}_map and not dynamic_{{ param_name }}_map else p_{{ param_name }}
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::endif
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:: if not no_export
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export(p_{{ param_name }})
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:: endif
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:: endif
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:: endmacro
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#############################################################################################
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:: macro calculate_modifier_sample()
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outp_size = get_float2("$size")
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frag_size = 1.0 / outp_size.x
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modifier_sample = vector2(frag_size / 2.0 + norm_life * (1.0 - frag_size), 0.5)
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glob_lifetime = get_int("lifetime")
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glob_life = n / (tofloat(glob_lifetime) - 1.0) if glob_lifetime > 1 else 0.0
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modifier_sample_global = vector2(frag_size / 2.0 + glob_life * (1.0 - frag_size), 0.5)
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:: endmacro
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#############################################################################################
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:: macro apply_modifiers(param_name, input_offset, additive = false)
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param_mod_sample = modifier_sample_global if {{ param_name }}_modifier_mode else modifier_sample
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modifier = samplelum(param_mod_sample, {{ 16 + input_offset }}, 0)
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:: if not additive
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p_{{ param_name }} = p_{{ param_name }} * modifier if use_{{ param_name }}_modifier else p_{{ param_name }}
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:: else
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p_{{ param_name }} = p_{{ param_name }} + modifier if use_{{ param_name }}_modifier else p_{{ param_name }}
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:: endif
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map_sample = samplelum(p_position, {{ 9 + input_offset }}, 1)
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:: if not additive
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p_{{ param_name }} = p_{{ param_name }} * map_sample if use_{{ param_name }}_map and dynamic_{{ param_name }}_map else p_{{ param_name }}
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:: else
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p_{{ param_name }} = p_{{ param_name }} + map_sample if use_{{ param_name }}_map and dynamic_{{ param_name }}_map else p_{{ param_name }}
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:: endif
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:: endmacro
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#############################################################################################
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:: macro sample_curve(factor, npoints, is_closed, alpha, tension, point_prefix, start_index = 0):
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catmull_rom_16({{ factor }},
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{{ npoints }},
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{{ is_closed }},
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{{ alpha }},
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{{ tension }},
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:: for p_i in range(start_index, start_index + 16):
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{{ point_prefix }}{{ p_i }},
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:: endfor
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)
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:: endmacro
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