Pal
41 lines
1.3 KiB
Plaintext
41 lines
1.3 KiB
Plaintext
shader_type spatial;
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render_mode blend_add, depth_draw_opaque, cull_back, diffuse_burley, shadows_disabled;
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uniform float alpha : hint_range(0.0, 1.0) = 0.5;
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uniform float rim_power : hint_range(0.0, 5.0) = 1.0;
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uniform sampler2D texture_emission : source_color, hint_default_black,filter_linear_mipmap,repeat_enable;
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uniform sampler2D gradient : source_color, hint_default_black,filter_linear_mipmap,repeat_enable;
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uniform vec4 emission : source_color;
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uniform float emission_energy : hint_range(0.0, 1.0) = 0.5;
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uniform vec3 uv1_scale = vec3(5.0, 0.0, 0.0);
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uniform vec3 uv1_offset = vec3(0.0, 1.0, 0.0); //change y to whooooosh effect
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varying vec2 base_uv;
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// rotate on 90 degrees
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vec2 rotateUV(vec2 uv) {
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return vec2(1.0 * (uv.y - 0.5) + 0.5, -1.0 * (uv.y - 0.5) + 0.5);
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}
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void vertex() {
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base_uv = rotateUV(UV);
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UV = UV * uv1_scale.xy + uv1_offset.xy;
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// UV.y += TIME * 0.02; // If you need animation, this needs some work.
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}
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void fragment() {
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vec3 fallof = texture(gradient, base_uv).rgb;
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float fresnel = pow(1.0 - dot(normalize(NORMAL), normalize(VIEW)), rim_power);
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float fade = mix(1.0, -1.0, fresnel);
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ROUGHNESS = 0.0;
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SPECULAR = 0.0;
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vec3 emission_tex = texture(texture_emission, UV).rgb;
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EMISSION = (emission.rgb + emission_tex) * emission_energy * fallof;
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ALPHA = clamp(fade, 0.0, 1.0) * EMISSION.r * alpha;
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} |