47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
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// HLGL High Level GL Abstraction Layer
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package main
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import "github.com/go-gl/gl/v4.1-core/gl"
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type HLRectangle struct {
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X int
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Y int
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Width int
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Height int
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}
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type HLColorRGBA struct {
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R int
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G int
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B int
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A int
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}
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func DrawRectangleWH(x, y, width, height int, color HLColorRGBA) {
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// Triangle ONE
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var triangleOneVerticies = []float32{
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float32(x), float32(y), 0.0,
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float32(x), float32(y + height), 0.0,
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float32(x + width), float32(y), 0.0,
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}
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var triangleOneVAO = NewVertexArray()
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var trianglOneVBO = NewVertexBuffer(triangleOneVerticies)
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triangleOneVAO.AddBuffer(trianglOneVBO, []int32{3})
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triangleOneVAO.Bind()
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gl.DrawArrays(gl.TRIANGLES, 0, 3)
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// Triangle TWO
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var triangleTwoVerticies = []float32{
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float32(x + width), float32(y + height), 0.0,
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float32(x), float32(y + height), 0.0,
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float32(x + width), float32(y), 0.0,
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}
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var triangleTwoVAO = NewVertexArray()
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var trianglTwoVBO = NewVertexBuffer(triangleTwoVerticies)
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triangleTwoVAO.AddBuffer(trianglTwoVBO, []int32{3})
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triangleTwoVAO.Bind()
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gl.DrawArrays(gl.TRIANGLES, 0, 3)
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}
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func DrawRectangleRec(rectangle HLRectangle, color HLColorRGBA) {}
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