Unigine.Primitives Class

This class contains methods allowing you to create dynamic meshes of the predefined forms, or add surfaces of the predefined forms to already existing dynamic meshes.

Primitives Class

Members

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ObjectMeshDynamic createBox(vec3 size)

Creates a dynamic mesh in a form of a box.

Arguments

• vec3 size - Box size along the X, Y and Z axes.

Return value

ObjectMeshDynamic instance.

ObjectMeshDynamic createCapsule(float radius, float height, int stacks = 16, int slices = 32)

Creates a dynamic mesh in a form of a capsule.

Arguments

• float radius - Capsule radius.
• float height - Capsule height.
• int stacks - Number of stacks that divide the capsule radially.
• int slices - Number of slices that divide the capsule horizontally.

Return value

ObjectMeshDynamic instance.

ObjectMeshDynamic createCylinder(float radius, float height, int stacks = 1, int slices = 32)

Creates a dynamic mesh in a form of a cylinder.

Arguments

• float radius - Cylinder radius.
• float height - Cylinder height.
• int stacks - Number of stacks that divide the cylinder radially.
• int slices - Number of slices that divide the cylinder horizontally.

Return value

ObjectMeshDynamic instance.

ObjectMeshDynamic createDodecahedron(float radius)

Creates a dynamic mesh in a form of a dodecahedron.

Arguments

• float radius - Dodecahedron radius.

Return value

ObjectMeshDynamic instance.

ObjectMeshDynamic createIcosahedron(float radius)

Creates a dynamic mesh in a form of an icosahedron.

Arguments

• float radius - Icosahedron radius.

Return value

ObjectMeshDynamic instance.

ObjectMeshDynamic createPlane(float width, float height, float step)

Creates a dynamic mesh in a form of a plane. It is divided into equal squares whose size is defined by the given step.

Arguments

• float width - Plane width.
• float height - Plane height.
• float step - Step of surface subdivision (vertical and horizontal).

Return value

ObjectMeshDynamic instance.

ObjectMeshDynamic createPrism(float size_0, float size_1, float height, int sides = 8)

Creates a dynamic mesh in a form of a prism.

Arguments

• float size_0 - Radius of the circle circumscribed about the top prism base.
• float size_1 - Radius of the circle circumscribed about the bottom prism base.
• float height - Height of the prism.
• int sides - Number of the prism faces.

Return value

ObjectMeshDynamic instance.

ObjectMeshDynamic createSphere(float radius, int stacks = 16, int slices = 32)

Creates a dynamic mesh in a form of a sphere.

Arguments

• float radius - Sphere radius.
• int stacks - Number of stacks that divide the sphere radially.
• int slices - Number of slices that divide the sphere horizontally.

Return value

ObjectMeshDynamic instance.

void addBoxSurface(ObjectMeshDynamic object, vec3 size, mat4 transform)

Appends a box of the specified size to ObjectMeshDynamic.

Arguments

• ObjectMeshDynamic object - ObjectMeshDynamic instance.
• vec3 size - Box size along the X, Y and Z axes.
• mat4 transform - Box transformation matrix.

void addCapsuleSurface(ObjectMeshDynamic object, float radius, float height, mat4 transform, int stacks = 16, int slices = 32)

Appends a capsule of the specified size to ObjectMeshDynamic. The stacks and slices specify the surface's subdivision.

Arguments

• ObjectMeshDynamic object - ObjectMeshDynamic instance.
• float radius - Capsule radius.
• float height - Capsule height along the central axis.
• mat4 transform - Capsule transformation matrix.
• int stacks - Number of stacks that divide the capsule radially.
• int slices - Number of slices that divide the capsule horizontally.

void addCylinderSurface(ObjectMeshDynamic object, float radius, float height, mat4 transform, int stacks = 1, int slices = 32)

Appends a cylinder of the specified size to ObjectMeshDynamic. The stacks and slices specify the surface's subdivision.

Arguments

• ObjectMeshDynamic object - ObjectMeshDynamic instance.
• float radius - Cylinder radius.
• float height - Cylinder height.
• mat4 transform - Cylinder transformation matrix.
• int stacks - Number of stacks that divide the cylinder radially.
• int slices - Number of slices that divide the cylinder horizontally.

void addDodecahedronSurface(ObjectMeshDynamic object, float radius, mat4 transform)

Appends a dodecahedron (a polyhedron with twelve flat faces) of the specified size to ObjectMeshDynamic.

Arguments

• ObjectMeshDynamic object - ObjectMeshDynamic instance.
• float radius - Dodecahedron radius.
• mat4 transform - Transformation matrix.

void addIcosahedronSurface(ObjectMeshDynamic object, float radius, mat4 transform)

Appends a icosahedron (a polyhedron with twenty flat faces) of the specified size to ObjectMeshDynamic.

Arguments

• ObjectMeshDynamic object - ObjectMeshDynamic instance.
• float radius - Icosahedron radius.
• mat4 transform - Transformation matrix.

void addPlaneSurface(ObjectMeshDynamic object, float width, float height, float step, mat4 transform)

Appends a plane surface to the dynamic mesh. The plane is divided into equal squares, size of which is defined by the given step.

Arguments

• ObjectMeshDynamic object - ObjectMeshDynamic instance.
• float width - Width of the plane.
• float height - Height of the plane.
• float step - Step of surface subdivision (vertical and horizontal).
• mat4 transform - Plane transformation matrix.

void addPrismSurface(ObjectMeshDynamic object, float size_0, float size_1, float height, mat4 transform, int sides = 8)

Appends a prism to the dynamic mesh.

Arguments

• ObjectMeshDynamic object - ObjectMeshDynamic instance.
• float size_0 - Radius of the circle circumscribed about the top prism base.
• float size_1 - Radius of the circle circumscribed about the bottom prism base.
• float height - Dimension of the prism's central axis.
• mat4 transform - Prism transformation matrix.
• int sides - Number of the prism faces.

void addSphereSurface(ObjectMeshDynamic object, float radius, mat4 transform, int stacks = 16, int slices = 32)

Appends a sphere surface to the dynamic mesh. The stacks and slices specify the surface's subdivision.

Arguments

• ObjectMeshDynamic object - ObjectMeshDynamic instance.
• float radius - Sphere radius.
• mat4 transform - Transformation matrix.
• int stacks - Number of stacks that divide the sphere radially.
• int slices - Number of slices that divide the sphere horizontally.