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Demoniak3D/LUA API: primitives management functions

TheHYP_Primitive library performs general operation on primitives.
HYP_Primitive.SetBoxSize
HYP_Primitive.SetBoxVertexPosition
HYP_Primitive.GetBoxVertexPosition
HYP_Primitive.SetBoxVertexColor
HYP_Primitive.GetBoxVertexColor
HYP_Primitive.PushBoxVertices
HYP_Primitive.PopBoxVertices
HYP_Primitive.SetQuadVertexPosition
HYP_Primitive.GetQuadVertexPosition
HYP_Primitive.SetQuadVertexColor
HYP_Primitive.GetQuadVertexColor
HYP_Primitive.CreateLine
HYP_Primitive.SetLineVertexPosition
HYP_Primitive.GetLineVertexPosition
HYP_Primitive.SetLineVertexColor
HYP_Primitive.GetLineVertexColor
HYP_Primitive.CreateBox
HYP_Primitive.SetBoxVertexTexCoords
HYP_Primitive.GetBoxVertexTexCoords
HYP_Primitive.CreateQuad
HYP_Primitive.SetQuadVertexTexCoords
HYP_Primitive.GetQuadVertexTexCoords
HYP_Primitive.CreateTriangle
HYP_Primitive.SetTriangleVertexPosition
HYP_Primitive.GetTriangleVertexPosition
HYP_Primitive.SetTriangleVertexColor
HYP_Primitive.GetTriangleVertexColor
HYP_Primitive.SetTriangleVertexTexCoords
HYP_Primitive.GetTriangleVertexTexCoords
HYP_Primitive.CreateDisc
HYP_Primitive.SetDiscParams
HYP_Primitive.GetDiscParams
HYP_Primitive.CreateSphere
HYP_Primitive.SetSphereParams
HYP_Primitive.GetSphereParams
HYP_Primitive.Destroy

SetBoxSize

SetBoxSize allows to change the dimensions of a BOX type primitive
Syntax
HYP_Primitive.SetBoxSize( name | id, w, h, d );
  • name - [STR127] - character string representing the primitive name as specified in the XML script by the name attribute.
  • id - [INTEGER] - numerical identifier of the object.
  • w - [REAL] - width.
  • h - [REAL] - height.
  • d - [REAL] - depth.

PushBoxVertices

PushBoxVertices allows to save the 8 vertices of the box primtive before applying transformations. In the current version, the backup stack has only one level. Therefore, the second call to HYP_PrimitiveBoxPushVertices() will have no effect.
Syntax
HYP_Primitive.PushBoxVertices( name | id );
  • name - [STR127] - character string representing the name of the primitive as specified in the xml script by the name attribute.
  • id - [INTEGER] - numerical identifier of the object.
Example
-- First restore the vertices.
--
HYP_Primitive.PopBoxVertices( "myBox" );

-- Save them.
--
HYP_Primitive.PushBoxVertices( "myBox" );

-- Apply the transformations:
index=0;
x=0.0;
y=15.0;
z=10.0;
HYP_Primitive.SetBoxVertexPosition("myBox", index, x, y, z );

PopBoxVertices

BoxPopVertices allows to restore the 8 vertices of the box primitive after applying tranformations. In the current version, the backup stack has only one level. Therefore, the second call to HYP_PrimitiveBoxPopVertices() will have no effect.
Syntax
HYP_Primitive.PopBoxVertices( name | id );
  • name - [STR127] - character string representing the name of the primitive as specified in the xml script by the name attribute.
  • id - [INTEGER] - numerical identifier of the object.

SetBoxVertexPosition

SetBoxVertexPosition allows to change the position of a particular vertex of a BOX type primitive.
Syntax
HYP_Primitive.SetBoxVertexPosition( name | id, index, x, y, z );
  • name - [STR127] - character string representing the name of the primitive as specified in the xml script by the name attribute.
  • id - [INTEGER] - numerical identifier of the object.
  • index - [INTEGER] - index of the vertex to be changed. Value ranging between 0 and 7.
  • x - [REAL] - new X coordinate.
  • y - [REAL] - new Y coordinate.
  • z - [REAL] - new Z coordinate.

GetBoxVertexPosition

GetBoxVertexPosition allows to get the position of a particular vertex of a BOX type primitive.
Syntax
x, y, z = HYP_Primitive.GetBoxVertexPosition( name | id, index );
  • name - [STR127] - character string representing the name of the primitive as specified in the xml script by the name attribute.
  • id - [INTEGER] - numerical identifier of the object.
  • index - [INTEGER] - index of the vertex to be changed. Value ranging between 0 and 7.
  • x - [REAL] - X coordinate.
  • y - [REAL] - Y coordinate.
  • z - [REAL] - Z coordinate.

SetBoxVertexColor

SetBoxVertexColor allows to change the color of a particular vertex of a BOX type primitive.
Syntax
HYP_Primitive.SetBoxVertexColor( name | id, index, r, g, b, a );
  • name - [STR127] - character string representing the name of the primitive as specified in the xml script by the name attribute.
  • id - [INTEGER] - numerical identifier of the object.
  • index - [INTEGER] - index of the vertex to be changed. Value ranging between 0 and 7.
  • r - [CLAMPED_REAL] - red component of the color.
  • g - [CLAMPED_REAL] - green component of the color.
  • b - [CLAMPED_REAL] - blue component of the color.
  • a - [CLAMPED_REAL] - alpha component of the color.

GetBoxVertexColor

GetBoxVertexColor allows to get the color of a particular vertex of a BOX type primitive.
Syntax
r, g, b, a = HYP_Primitive.GetBoxVertexColor( name | id, index );
  • name - [STR127] - character string representing the name of the primitive as specified in the xml script by the name attribute.
  • id - [INTEGER] - numerical identifier of the object.
  • index - [INTEGER] - index of the vertex to be changed. Value ranging between 0 and 7.
  • r - [CLAMPED_REAL] - red component of the color.
  • g - [CLAMPED_REAL] - green component of the color.
  • b - [CLAMPED_REAL] - blue component of the color.
  • a - [CLAMPED_REAL] - alpha component of the color.

SetQuadVertexPosition

SetQuadVertexPosition allows to change the position of a particular vertex of a QUAD type primitive..
Syntax
HYP_Primitive.SetQuadVertexPosition( name | id, index, x, y, z );
  • name - [STR127] - character string representing the name of the primitive as specified in the xml script by the name attribute.
  • id - [INTEGER] - numerical identifier of the object.
  • index - [INTEGER] - index of the vertex to be changed. Value ranging between 0 and 7.
  • x - [REAL] - new X coordinate.
  • y - [REAL] - new Y coordinate.
  • z - [REAL] - new Z coordinate.

GetQuadVertexPosition

GetQuadVertexPosition allows to get the position of a particular vertex of a QUAD type primitive.
Syntax
x, y, z = HYP_Primitive.GetQuadVertexPosition( name | id, index );
  • name - [STR127] - character string representing the name of the primitive as specified in the xml script by the name attribute.
  • id - [INTEGER] - numerical identifier of the object.
  • index - [INTEGER] - index of the vertex to be changed. Value ranging between 0 and 7.
  • x - [REAL] - X coordinate.
  • y - [REAL] - Y coordinate.
  • z - [REAL] - Z coordinate.

SetQuadVertexColor

SetQuadVertexColor allows to change the color of a particular vertex of a QUAD type primitive.
Syntax
HYP_Primitive.SetQuadVertexColor( name | id, index, r, g, b, a );
  • name - [STR127] - character string representing the name of the primitive as specified in the xml script by the name attribute.
  • id - [INTEGER] - numerical identifier of the object.
  • index - [INTEGER] - index of the vertex to be changed. Value ranging between 0 and 7.
  • r - [CLAMPED_REAL] - red component of the color.
  • g - [CLAMPED_REAL] - green component of the color.
  • b - [CLAMPED_REAL] - blue component of the color.
  • a - [CLAMPED_REAL] - alpha component of the color.

GetQuadVertexColor

GetQuadVertexColor allows to get the color of a particular vertex of a QUAD type primitive.
Syntax
r, g, b, a = HYP_Primitive.GetQuadVertexColor( name | id, index );
  • name - [STR127] - character string representing the name of the primitive as specified in the xml script by the name attribute.
  • id - [INTEGER] - numerical identifier of the object.
  • index - [INTEGER] - index of the vertex to be changed. Value ranging between 0 and 7.
  • r - [CLAMPED_REAL] - red component of the color.
  • g - [CLAMPED_REAL] - green component of the color.
  • b - [CLAMPED_REAL] - blue component of the color.
  • a - [CLAMPED_REAL] - alpha component of the color.

CreateLine

CreateLine permet allows to create a line type primitive.
Syntax
id = HYP_Primitive.CreateLine( [name] );
  • name - [STR127] - character string representing the name of the primitive. Optional.
  • id - [INTEGER] - numerical identifier of the created primitive.

SetLineVertexPosition

SetLineVertexPosition permet de changer la position d'un des deux vertices d'une primitive ligne.
Syntax
HYP_Primitive.SetLineVertexPosition( name | id, index, x, y, z );
  • name - [STR127] - character string representing the name of the primitive.
  • id - [INTEGER] - numerical identifier of the primitive.
  • index - [INTEGER] - vertex index to be changed. Value: 0 or 1.
  • x - [REAL] - new X coordinate.
  • y - [REAL] - new Y coordinate.
  • z - [REAL] - new Z coordinate.

GetLineVertexPosition

GetLineVertexPosition allows to get the position of on of the two vertices of a line primitive.
Syntax
x, y, z = HYP_Primitive.GetLineVertexPosition( name | id, index );
  • name - [STR127] - character string representing the name of the primitive.
  • id - [INTEGER] - numerical identifier of the primitive.
  • index - [INTEGER] - vertex index to be changed. Value: 0 or 1.
  • x - [REAL] - X coordinate.
  • y - [REAL] - Y coordinate.
  • z - [REAL] - Z coordinate.

SetLineVertexColor

SetLineVertexColor allows to change the color of a LINE type primitive vertices.
Syntax
HYP_Primitive.SetLineVertexColor( name | id, index, r, g, b, a );
  • name - [STR127] - character string representing the name of the primitive as specified in the xml script by the name attribute.
  • id - [INTEGER] - numerical identifier of the object.
  • index - [INTEGER] - index of the vertex to be changed. Value ranging between 0 and 7.
  • r - [CLAMPED_REAL] - red component of the color.
  • g - [CLAMPED_REAL] - green component of the color.
  • b - [CLAMPED_REAL] - blue component of the color.
  • a - [CLAMPED_REAL] - alpha component of the color.

GetLineVertexColor

GetLineVertexColor allows to get the color of a LINE type primitive vertices.
Syntax
r, g, b, a = HYP_Primitive.GetLineVertexColor( name | id, index );
  • name - [STR127] - nom of the primitive.
  • id - [INTEGER] - numerical identifier of the primitive.
  • index - [INTEGER] - vertex index to be changed. Value: 0 or 1.
  • r - [CLAMPED_REAL] - red component of the color.
  • g - [CLAMPED_REAL] - green component of the color.
  • b - [CLAMPED_REAL] - blue component of the color.
  • a - [CLAMPED_REAL] - alpha component of the color.

CreateBox

CreateBox allows to create a BOX type primitive.
Syntax
id = HYP_Primitive.CreateBox( [name] );
  • name - [STR127] - character string representing the name of the primitive. Optional.
  • id - [INTEGER] - numerical identifier of the created primitive.

SetBoxVertexTexCoords

SetBoxVertexTexCoords allows to change the u and v texture coordinates of a BOX type primitive.
Syntax
HYP_Primitive.SetBoxVertexTexCoords( name | id, index, texture_unit, u, v );
  • name - [STR127] - name of the primitive.
  • id - [INTEGER] - numerical identifier of the primitive.
  • index - [INTEGER] - vertex index. Value: 0 to 8.
  • texture_unit - [INTEGER] - texture unit. Value: 0 to 8.
  • u - [REAL] - new u coordinate.
  • v - [REAL] - new v coordinate.

GetBoxVertexTexCoords

GetBoxVertexTexCoords allows to get the u and v texture coordinates of the vertices of a BOX type primitive.
Syntax
u, v = HYP_Primitive.GetBoxVertexTexCoords( name | id, index, texture_unit );
  • name - [STR127] - name of the primitive.
  • id - [INTEGER] - numerical identifier of the primitive.
  • index - [INTEGER] - vertex index. Value: 0 to 8.
  • texture_unit - [INTEGER] - texture unit. Value: 0 to 8.
  • u - [REAL] - new u coordinate.
  • v - [REAL] - new v coordinate.

CreateQuad

CreateQuad allows to create a QUAD type primitive.
Syntax
id = HYP_Primitive.CreateQuad( [name] );
  • name - [STR127] - character string representing the name of the primitive. Optional.
  • id - [INTEGER] - numerical identifier of the created primitive.

SetQuadVertexTexCoords

SetQuadVertexTexCoords allows to change the u and v texture coordinates of a QUAD type primitive.
Syntax
HYP_Primitive.SetQuadVertexTexCoords( name | id, index, texture_unit, u, v );
  • name - [STR127] - name of the primitive.
  • id - [INTEGER] - numerical identifier of the primitive.
  • index - [INTEGER] - vertex index. Value: 0 to 4.
  • texture_unit - [INTEGER] - texture unit. Value: 0 to 8.
  • u - [REAL] - new u coordinate.
  • v - [REAL] - new v coordinate.

GetQuadVertexTexCoords

GetQuadVertexTexCoords allows to get the u and v texture coordinates of the vertices of a QUAD type primitive.
Syntax
u, v = HYP_Primitive.GetQuadVertexTexCoords( name | id, index, texture_unit );
  • name - [STR127] - name of the primitive.
  • id - [INTEGER] - numerical identifier of the primitive.
  • index - [INTEGER] - vertex index. Value: 0 to 4.
  • texture_unit - [INTEGER] - texture unit. Value: 0 to 8.
  • u - [REAL] - new u coordinate.
  • v - [REAL] - new v coordinate.

CreateTriangle

CreateTriangle allows to create a TRIANGLE type primitive.
Syntax
id = HYP_Primitive.CreateTriangle( [name] );
  • name - [STR127] - character string representing the name of the primitive. Optional.
  • id - [INTEGER] - numerical identifier of the created primitive.

SetTriangleVertexTexCoords

SetTriangleVertexTexCoords allows to change the u and v texture coordinates of a TRIANGLE type primitive.
Syntax
HYP_Primitive.SetTriangleVertexTexCoords( name | id, index, texture_unit, u, v );
  • name - [STR127] - name of the primitive.
  • id - [INTEGER] - numerical identifier of the primitive.
  • index - [INTEGER] - vertex index. Value: 0 to 3.
  • texture_unit - [INTEGER] - texture unit. Value: 0 to 8.
  • u - [REAL] - new u coordinate.
  • v - [REAL] - new v coordinate.

GetTriangleVertexTexCoords

GetTriangleVertexTexCoords allows to get the u and v texture coordinates of the vertices of a TRIANGLE type primitive.
Syntax
u, v = HYP_Primitive.GetTriangleVertexTexCoords( name | id, index, texture_unit );
  • name - [STR127] - name of the primitive.
  • id - [INTEGER] - numerical identifier of the primitive.
  • index - [INTEGER] - vertex index. Value: 0 to 2.
  • texture_unit - [INTEGER] - texture unit. Value: 0 to 8.
  • u - [REAL] - new u coordinate.
  • v - [REAL] - new v coordinate.

SetTriangleVertexPosition

SetTriangleVertexPosition allows to change the position of a TRIANGLE type PRIMITIVE.
Syntax
HYP_Primitive.SetTriangleVertexPosition( name | id, index, x, y, z );
  • name - [STR127] - character string representing the name of the primitive.
  • id - [INTEGER] - numerical identifier of the primitive.
  • index - [INTEGER] - vertex index changer. Value: 0 to 2.
  • x - [REAL] - new X coordinate.
  • y - [REAL] - new Y coordinate.
  • z - [REAL] - new Z coordinate.

GetTriangleVertexPosition

GetTriangleVertexPosition allows to get the vertices position of a TRIANGLE type PRIMITIVE.
Syntax
x, y, z = HYP_Primitive.GetTriangleVertexPosition( name | id, index );
  • name - [STR127] - character string representing the name of the primitive.
  • id - [INTEGER] - numerical identifier of the primitive.
  • index - [INTEGER] - vertex index to be changed. Value: 0 to 2.
  • x - [REAL] - X coordinate.
  • y - [REAL] - Y coordinate.
  • z - [REAL] - Z coordinate.

SetTriangleVertexColor

SetTriangleVertexColor allows to change the vertice color of a TRIANGLE type primitive.
Syntax
HYP_Primitive.SetTriangleVertexColor( name | id, index, r, g, b, a );
  • name - [STR127] - name of the primitive.
  • id - [INTEGER] - numerical identifier of the primitive.
  • index - [INTEGER] - index of the vertex to be changed. Value ranging between 0 and 2.
  • r - [CLAMPED_REAL] - red component of the color.
  • g - [CLAMPED_REAL] - green component of the color.
  • b - [CLAMPED_REAL] - blue component of the color.
  • a - [CLAMPED_REAL] - alpha component of the color.

GetTriangleVertexColor

GetTriangleVertexColor allows to get the vertice color of a TRIANGLE type primitive.
Syntax
r, g, b, a = HYP_Primitive.GetTriangleVertexColor( name | id, index );
  • name - [STR127] - name of the primitive.
  • id - [INTEGER] - numerical identifier of the primitive.
  • index - [INTEGER] - index of the vertex to be changed. Value ranging between 0 and 2.
  • r - [CLAMPED_REAL] - red component of the color.
  • g - [CLAMPED_REAL] - green component of the color.
  • b - [CLAMPED_REAL] - blue component of the color.
  • a - [CLAMPED_REAL] - alpha component of the color.

CreateDisc

CreateDisc allows to create a DISC type primitive.
Syntax
id = HYP_Primitive.CreateDisc( [name] );
  • name - [STR127] - character string representing the name of the primitive. Optional.
  • id - [INTEGER] - numerical identifier of the created primitive.

SetDiscParams

SetDiscParams allows to change the parameters of a DISC type primitive.
Syntax
HYP_Primitive.SetDiscParams( name | id, inner_radius, outer_radius, num_sides );
  • name - [STR127] - name of the primitive.
  • id - [INTEGER] - numerical identifier of the primitive.
  • inner_radius - [REAL] - inner radius of the disc.
  • outer_radius - [REAL] - outer radius of the disc.
  • num_sides - [INTEGER] - number of segments that form the circumference of the disc.

GetDiscParams

GetDiscParams allows to get the parameters of a DISC type primitive.
Syntax
inner_radius, outer_radius, num_sides = HYP_Primitive.GetDiscParams( name | id );
  • name - [STR127] - name of the primitive.
  • id - [INTEGER] - numerical identifier of the primitive.
  • inner_radius - [REAL] - inner radius of the disc.
  • outer_radius - [REAL] - outer radius of the disc.
  • num_sides - [INTEGER] - number of segments that form the circumference of the disc.

CreateSphere

CreateSphere allows to create a SPHERE type primitive.
Syntax
id = HYP_Primitive.CreateSphere( [name] );
  • name - [STR127] - character string representing the name of the primitive. Optional.
  • id - [INTEGER] - numerical identifier of the created primitive.

SetSphereParams

SetSphereParams allows to change the parameters of a SPHERE type primitive.
Syntax
HYP_Primitive.SetSphereParams( name | id, inner_radius, outer_radius, num_slices );
  • name - [STR127] - name of the primitive.
  • id - [INTEGER] - numerical identifier of the primitive.
  • inner_radius - [REAL] - inner radius of the sphere.
  • outer_radius - [REAL] - outer radius of the sphere.
  • num_slices - [INTEGER] - number of disc that form the sphere.

GetSphereParams

GetSphereParams allows to get the parameters of a SPHERE type primitive.
Syntax
inner_radius, outer_radius, num_sides = HYP_Primitive.GetSphereParams( name | id );
  • name - [STR127] - name of the primitive.
  • id - [INTEGER] - numerical identifier of the primitive.
  • inner_radius - [REAL] - inner radius of the sphere.
  • outer_radius - [REAL] - outer radius of the sphere.
  • num_slices - [INTEGER] - number of disc that form the sphere.

Destroy

Destroy allows to destroy any kind of primitive that has been statically ceated in the XML script or dynamically in the LUA code.
Syntax
HYP_Primitive.Destroy( name | id );
  • name - [STR127] - name of the primitive.
  • id - [INTEGER] - numerical identifier of the primitive.


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