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@@ -769,6 +769,31 @@ step_dvec2 :: proc "c" (edge, x: dvec2) -> dvec2 { return {step(edge.x, x.x), st
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step_dvec3 :: proc "c" (edge, x: dvec3) -> dvec3 { return {step(edge.x, x.x), step(edge.y, x.y), step(edge.z, x.z)} }
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step_dvec4 :: proc "c" (edge, x: dvec4) -> dvec4 { return {step(edge.x, x.x), step(edge.y, x.y), step(edge.z, x.z), step(edge.w, x.w)} }
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+smoothstep :: proc{
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+ smoothstep_f32,
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+ smoothstep_f64,
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+ smoothstep_vec2,
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+ smoothstep_vec3,
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+ smoothstep_vec4,
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+ smoothstep_dvec2,
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+ smoothstep_dvec3,
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+ smoothstep_dvec4,
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+}
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+smoothstep_f32 :: proc "c" (edge0, edge1, x: f32) -> f32 {
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+ y := clamp(((x-edge0) / (edge1 - edge0)), 0, 1)
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+ return y * y * (3 - 2*y)
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+}
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+smoothstep_f64 :: proc "c" (edge0, edge1, x: f64) -> f64 {
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+ y := clamp(((x-edge0) / (edge1 - edge0)), 0, 1)
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+ return y * y * (3 - 2*y)
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+}
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+smoothstep_vec2 :: proc "c" (edge0, edge1, x: vec2) -> vec2 { return {smoothstep(edge0.x, edge1.x, x.x), smoothstep(edge0.y, edge1.y, x.y)} }
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+smoothstep_vec3 :: proc "c" (edge0, edge1, x: vec3) -> vec3 { return {smoothstep(edge0.x, edge1.x, x.x), smoothstep(edge0.y, edge1.y, x.y), smoothstep(edge0.z, edge1.z, x.z)} }
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+smoothstep_vec4 :: proc "c" (edge0, edge1, x: vec4) -> vec4 { return {smoothstep(edge0.x, edge1.x, x.x), smoothstep(edge0.y, edge1.y, x.y), smoothstep(edge0.z, edge1.z, x.z), smoothstep(edge0.w, edge1.w, x.w)} }
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+smoothstep_dvec2 :: proc "c" (edge0, edge1, x: dvec2) -> dvec2 { return {smoothstep(edge0.x, edge1.x, x.x), smoothstep(edge0.y, edge1.y, x.y)} }
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+smoothstep_dvec3 :: proc "c" (edge0, edge1, x: dvec3) -> dvec3 { return {smoothstep(edge0.x, edge1.x, x.x), smoothstep(edge0.y, edge1.y, x.y), smoothstep(edge0.z, edge1.z, x.z)} }
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+smoothstep_dvec4 :: proc "c" (edge0, edge1, x: dvec4) -> dvec4 { return {smoothstep(edge0.x, edge1.x, x.x), smoothstep(edge0.y, edge1.y, x.y), smoothstep(edge0.z, edge1.z, x.z), smoothstep(edge0.w, edge1.w, x.w)} }
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+
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abs :: proc{
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abs_i32,
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gingerBill