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| author | QbieShay <cislaghi.ilaria@gmail.com> | 2023-02-13 21:18:55 +0100 |
|---|---|---|
| committer | QbieShay <cislaghi.ilaria@gmail.com> | 2023-02-13 21:18:55 +0100 |
| commit | 7881422901d7b9070f48e13d0242928fb3a26a74 (patch) | |
| tree | 11feb542832b5e0150ced288cf0457838d252bea | |
| parent | b7723a01d957e6492a3f20bce8a47d3559afe5c5 (diff) | |
make particle billboard take into account non-uniform scale
| -rw-r--r-- | scene/resources/material.cpp | 5 | ||||
| -rw-r--r-- | scene/resources/visual_shader_nodes.cpp | 7 |
2 files changed, 9 insertions, 3 deletions
diff --git a/scene/resources/material.cpp b/scene/resources/material.cpp index 7e84814ab3..15fe25d062 100644 --- a/scene/resources/material.cpp +++ b/scene/resources/material.cpp @@ -955,11 +955,14 @@ void BaseMaterial3D::_update_shader() { } break; case BILLBOARD_PARTICLES: { //make billboard - code += " mat4 mat_world = mat4(normalize(INV_VIEW_MATRIX[0]) * length(MODEL_MATRIX[0]), normalize(INV_VIEW_MATRIX[1]) * length(MODEL_MATRIX[0]),normalize(INV_VIEW_MATRIX[2]) * length(MODEL_MATRIX[2]), MODEL_MATRIX[3]);\n"; + code += " mat4 mat_world = mat4(normalize(INV_VIEW_MATRIX[0]), normalize(INV_VIEW_MATRIX[1]) ,normalize(INV_VIEW_MATRIX[2]), MODEL_MATRIX[3]);\n"; //rotate by rotation code += " mat_world = mat_world * mat4(vec4(cos(INSTANCE_CUSTOM.x), -sin(INSTANCE_CUSTOM.x), 0.0, 0.0), vec4(sin(INSTANCE_CUSTOM.x), cos(INSTANCE_CUSTOM.x), 0.0, 0.0), vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0));\n"; //set modelview code += " MODELVIEW_MATRIX = VIEW_MATRIX * mat_world;\n"; + if (flags[FLAG_BILLBOARD_KEEP_SCALE]) { + code += " MODELVIEW_MATRIX = MODELVIEW_MATRIX * mat4(vec4(length(MODEL_MATRIX[0].xyz), 0.0, 0.0, 0.0),vec4(0.0, length(MODEL_MATRIX[1].xyz), 0.0, 0.0), vec4(0.0, 0.0, length(MODEL_MATRIX[2].xyz), 0.0), vec4(0.0, 0.0, 0.0, 1.0));\n"; + } //set modelview normal code += " MODELVIEW_NORMAL_MATRIX = mat3(MODELVIEW_MATRIX);\n"; diff --git a/scene/resources/visual_shader_nodes.cpp b/scene/resources/visual_shader_nodes.cpp index 7550f598f8..9f5a64597a 100644 --- a/scene/resources/visual_shader_nodes.cpp +++ b/scene/resources/visual_shader_nodes.cpp @@ -7606,8 +7606,11 @@ String VisualShaderNodeBillboard::generate_code(Shader::Mode p_mode, VisualShade break; case BILLBOARD_TYPE_PARTICLES: code += " {\n"; - code += " mat4 __wm = mat4(normalize(INV_VIEW_MATRIX[0]) * length(MODEL_MATRIX[0]), normalize(INV_VIEW_MATRIX[1]) * length(MODEL_MATRIX[0]), normalize(INV_VIEW_MATRIX[2]) * length(MODEL_MATRIX[2]), MODEL_MATRIX[3]);\n"; + code += " mat4 __wm = mat4(normalize(INV_VIEW_MATRIX[0]), normalize(INV_VIEW_MATRIX[1]), normalize(INV_VIEW_MATRIX[2]), MODEL_MATRIX[3]);\n"; code += " __wm = __wm * mat4(vec4(cos(INSTANCE_CUSTOM.x), -sin(INSTANCE_CUSTOM.x), 0.0, 0.0), vec4(sin(INSTANCE_CUSTOM.x), cos(INSTANCE_CUSTOM.x), 0.0, 0.0), vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0));\n"; + if (keep_scale) { + code += " __wm = __wm * mat4(vec4(length(MODEL_MATRIX[0].xyz), 0.0, 0.0, 0.0), vec4(0.0, length(MODEL_MATRIX[1].xyz), 0.0, 0.0), vec4(0.0, 0.0, length(MODEL_MATRIX[2].xyz), 0.0), vec4(0.0, 0.0, 0.0, 1.0));\n"; + } code += " " + p_output_vars[0] + " = VIEW_MATRIX * __wm;\n"; code += " }\n"; break; @@ -7650,7 +7653,7 @@ bool VisualShaderNodeBillboard::is_keep_scale_enabled() const { Vector<StringName> VisualShaderNodeBillboard::get_editable_properties() const { Vector<StringName> props; props.push_back("billboard_type"); - if (billboard_type == BILLBOARD_TYPE_ENABLED || billboard_type == BILLBOARD_TYPE_FIXED_Y) { + if (billboard_type == BILLBOARD_TYPE_ENABLED || billboard_type == BILLBOARD_TYPE_FIXED_Y || billboard_type == BILLBOARD_TYPE_PARTICLES) { props.push_back("keep_scale"); } return props; |