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| author | Johan Aires Rastén <johan@oljud.se> | 2022-09-10 21:08:29 +0200 |
|---|---|---|
| committer | Johan Aires Rastén <johan@oljud.se> | 2022-09-10 21:08:29 +0200 |
| commit | bb657c04fc3ea8f4e0b50359daca6c100683d8a7 (patch) | |
| tree | 32c040856c86db2f478e3039d1410b0d303ddbb4 | |
| parent | b52305351d417c47ce019529fb511ecfd72c07e4 (diff) | |
Calculate MODELVIEW_NORMAL_MATRIX for billboard materials
Solves #65627
| -rw-r--r-- | scene/resources/material.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/scene/resources/material.cpp b/scene/resources/material.cpp index 448ff74a53..cf546d1a95 100644 --- a/scene/resources/material.cpp +++ b/scene/resources/material.cpp @@ -924,6 +924,7 @@ void BaseMaterial3D::_update_shader() { 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"; } + code += " MODELVIEW_NORMAL_MATRIX = mat3(MODELVIEW_MATRIX);\n"; } break; case BILLBOARD_FIXED_Y: { code += " MODELVIEW_MATRIX = VIEW_MATRIX * mat4(vec4(normalize(cross(vec3(0.0, 1.0, 0.0), INV_VIEW_MATRIX[2].xyz)), 0.0), vec4(0.0, 1.0, 0.0, 0.0), vec4(normalize(cross(INV_VIEW_MATRIX[0].xyz, vec3(0.0, 1.0, 0.0))), 0.0), MODEL_MATRIX[3]);\n"; @@ -931,6 +932,7 @@ void BaseMaterial3D::_update_shader() { 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"; } + code += " MODELVIEW_NORMAL_MATRIX = mat3(MODELVIEW_MATRIX);\n"; } break; case BILLBOARD_PARTICLES: { //make billboard @@ -939,6 +941,8 @@ void BaseMaterial3D::_update_shader() { 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"; + //set modelview normal + code += " MODELVIEW_NORMAL_MATRIX = mat3(MODELVIEW_MATRIX);\n"; //handle animation code += " float h_frames = float(particles_anim_h_frames);\n"; @@ -949,7 +953,7 @@ void BaseMaterial3D::_update_shader() { code += " particle_frame = clamp(particle_frame, 0.0, particle_total_frames - 1.0);\n"; code += " } else {\n"; code += " particle_frame = mod(particle_frame, particle_total_frames);\n"; - code += " }"; + code += " }\n"; code += " UV /= vec2(h_frames, v_frames);\n"; code += " UV += vec2(mod(particle_frame, h_frames) / h_frames, floor((particle_frame + 0.5) / h_frames) / v_frames);\n"; } break; |