blocks/lines/outline.yaml at gh-pages · tangrams/blocks · GitHub

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import:
    - ../functions/aastep.yaml

styles:
    lines-outline:
        doc:
            author:
                name: Patricio Gonzalez Vivo
                twitter: patriciogv
            version: 0.0.1
            tangram-version: 0.0.7
            licence: MIT
            description: |
                Apply an outline to a line
            examples:
                blueprint:
                    url: https://tangrams.github.io/tangram-sandbox/styles/blueprint.yaml
                    img: https://tangrams.github.io/tangram-sandbox/styles/blueprint.png
                    lines: 116-120
                callejas:
                    url: https://tangrams.github.io/tangram-sandbox/styles/callejas.yaml
                    img: https://tangrams.github.io/tangram-sandbox/styles/callejas.png
                    lines: 116

        ui:
            shaders:
                defines:
                    OUTLINE_WIDTH:
                        type: number
                        label: Width
                        range:
                            min: 0.
                            max: 1.
                            step: 0.01
                    OUTLINE_COLOR:
                        type: color
                        label: Color
        base: lines
        mix: [functions-aastep]
        texcoords: true
        shaders:
            defines:
                OUTLINE_WIDTH: 0.1
                OUTLINE_COLOR: color.rgb*.5
            blocks:
                color: |
                    color.rgb = mix(color.rgb,
                                    OUTLINE_COLOR,
                                    (1.0-(aastep(OUTLINE_WIDTH,v_texcoord.x)-step(1.0-OUTLINE_WIDTH,v_texcoord.x))));