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No commits in common. "9f4137dac9e33e9d8522e71412c5c5e7c08372e3" and "3c21e2c471e4f389552e8d1d909f99c495906f35" have entirely different histories.
9f4137dac9
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3c21e2c471
@ -1,9 +0,0 @@
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#ifndef RASTERISER_H
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#define RASTERISER_H
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#include "vector/vec.h"
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#include "window/window.h"
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void draw_line(window_t *wnd, vec2i_t p0, vec2i_t p1, colour_t colour);
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#endif // !RASTERISER_H
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@ -33,12 +33,6 @@ typedef struct {
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#define vec_dot(T, v1, v2) vec_dot_##T(v1, v2)
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#define vec_magnitude(T, v) vec_magnitude_##T(v)
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#define vec_unit(T, v) vec_unit_##T(v)
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#define vec_swap(T, v1, v2) \
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{ \
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T tmp = v1; \
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v1 = v2; \
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v2 = tmp; \
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}
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vec2i_t vec_add_vec2i_t(vec2i_t v1, vec2i_t v2);
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vec2i_t vec_sub_vec2i_t(vec2i_t v1, vec2i_t v2);
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@ -1,47 +1,7 @@
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#include "rasteriser/rasteriser.h"
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#include "vector/vec.h"
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#include "window/window.h"
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#include <SDL2/SDL_events.h>
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#include <SDL2/SDL_keycode.h>
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#include <stdio.h>
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#include <stdlib.h>
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int main(void) {
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colour_t bg =
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(colour_t){.rgba.r = 27, .rgba.g = 38, .rgba.b = 79, .rgba.a = 255};
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window_t window = {0};
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if (!init_window(&window, 800, 800, "CG From Scratch Rasteriser")) {
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return EXIT_FAILURE;
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}
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bool running = true;
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SDL_Event event = {0};
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// i32 w_min = ((i32)window.half_width) * -1;
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// i32 w_max = (i32)window.half_width;
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// i32 h_min = ((i32)window.half_height) * -1;
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// i32 h_max = (i32)window.half_height;
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vec2i_t a = {.x = -300, .y = 0};
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vec2i_t b = {.x = 300, .y = 250};
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while (running) {
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while (SDL_PollEvent(&event)) {
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switch (event.type) {
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case SDL_QUIT:
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running = false;
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break;
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}
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}
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clear_window(&window, bg);
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draw_line(&window, a, b, (colour_t){.colour = 0xffffffff});
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swap_buffers(&window);
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}
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close_window(&window);
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printf("RASTERISER\n");
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return EXIT_SUCCESS;
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}
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@ -1,22 +0,0 @@
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#include "c_cpp_aliases/aliases.h"
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#include "vector/vec.h"
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#include "window/window.h"
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void draw_line(window_t *wnd, vec2i_t p0, vec2i_t p1, colour_t colour) {
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if (p1.x < p0.x) {
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vec_swap(vec2i_t, p0, p1);
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}
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i32 x0 = p0.x;
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i32 y0 = p0.y;
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i32 x1 = p1.x;
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i32 y1 = p1.y;
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f32 a = ((f32)y1 - y0) / ((f32)x1 - x0);
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f32 y = y0;
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for (i32 x = x0; x <= x1; ++x) {
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set_pixel(wnd, x, (i32)y, colour);
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y += a;
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}
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}
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