62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
/**
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* Copyright (c) 2025 Dominic Masters
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*
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* This software is released under the MIT License.
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* https://opensource.org/licenses/MIT
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*/
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#include "quad.h"
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#include "assert/assert.h"
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void quadBuffer(
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meshvertex_t *vertices,
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const float_t minX,
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const float_t minY,
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const float_t maxX,
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const float_t maxY,
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const uint8_t r,
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const uint8_t g,
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const uint8_t b,
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const uint8_t a,
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const float_t u0,
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const float_t v0,
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const float_t u1,
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const float_t v1
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) {
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const float_t z = 0.0f; // Z coordinate for 2D rendering
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assertNotNull(vertices, "Vertices cannot be NULL");
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// First triangle
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vertices[0] = (meshvertex_t) {
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{ r, g, b, a }, // Color
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{ u0, v0 }, // UV
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{ minX, minY, z } // Position
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};
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vertices[1] = (meshvertex_t) {
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{ r, g, b, a }, // Color
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{ u1, v0 }, // UV
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{ maxX, minY, z } // Position
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};
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vertices[2] = (meshvertex_t) {
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{ r, g, b, a }, // Color
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{ u1, v1 }, // UV
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{ maxX, maxY, z } // Position
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};
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// Second triangle
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vertices[3] = (meshvertex_t) {
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{ r, g, b, a }, // Color
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{ u0, v0 }, // UV
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{ minX, minY, z } // Position
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};
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vertices[4] = (meshvertex_t) {
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{ r, g, b, a }, // Color
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{ u1, v1 }, // UV
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{ maxX, maxY, z } // Position
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};
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vertices[5] = (meshvertex_t) {
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{ r, g, b, a }, // Color
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{ u0, v1 }, // UV
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{ minX, maxY, z } // Position
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};
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} |