#dot

calculate the dot product of two vectors

#Declaration

• float dot(float x, float y)
• float dot(vec2 x, vec2 y)
• float dot(vec3 x, vec3 y)
• float dot(vec4 x, vec4 y)

#Parameters

• x: Specifies the first of two vectors
• y: Specifies the second of two vectors

#Description

dot returns the dot product of two vectors, x and y. i.e., $$ x[0] \cdot y[0] + x[1] \cdot y[1] + \ldots $$

#See Also

• cross