Class { #name : #Diya2DPrimShape, #superclass : #Diya2DNode, #instVars : [ 'texture' ], #category : #'Diya-Graphics' } { #category : #initialization } Diya2DPrimShape >> draw [ vbuffer ifNil: [ ^self ]. "configure vao vbo for texture QUAD" self texture ifNotNil: [ self texture setup. context texture0 setImage2D: self texture. context texture0 active. ]. context vao enableAttribute: 0. OpenGLVertexArray vertexAttributePointerIndex: 0 size:4 type: GL_FLOAT normalized: GL_FALSE stride: 16 pointer: nil . context vbo data: GL_ARRAY_BUFFER data: vbuffer usage: GL_STATIC_DRAW. OpenGL drawArrays: GL_TRIANGLES first:0 count:nvertices. context vao disableAttribute: 0. "reset value" self texture ifNotNil: [self texture drop.]. ] { #category : #initialization } Diya2DPrimShape >> initialize [ super initialize. texture := nil. children := nil ] { #category : #initialization } Diya2DPrimShape >> setUpShader [ super setUpShader texture ifNotNil:[ self shader setUniform: #u_texture_type value: texture format. ]. ] { #category : #accessing } Diya2DPrimShape >> texture [ ^ texture ] { #category : #accessing } Diya2DPrimShape >> texture: anObject [ texture := anObject ]