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https://github.com/Ttanasart-pt/Pixel-Composer.git
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86 lines
No EOL
2.5 KiB
Text
86 lines
No EOL
2.5 KiB
Text
enum GRADIENT_INTER {
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smooth,
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none,
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hue
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}
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function draw_gradient(_x, _y, _w, _h, _grad, _int = GRADIENT_INTER.smooth) {
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static RES = 48;
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var _step = _w / RES;
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var _ox, _oc;
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var uniform_grad_blend = shader_get_uniform(sh_gradient_display, "gradient_blend");
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var uniform_grad = shader_get_uniform(sh_gradient_display, "gradient_color");
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var uniform_grad_time = shader_get_uniform(sh_gradient_display, "gradient_time");
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var uniform_grad_key = shader_get_uniform(sh_gradient_display, "gradient_keys");
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var _grad_color = [];
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var _grad_time = [];
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for(var i = 0; i < ds_list_size(_grad); i++) {
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_grad_color[i * 4 + 0] = color_get_red(_grad[| i].value) / 255;
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_grad_color[i * 4 + 1] = color_get_green(_grad[| i].value) / 255;
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_grad_color[i * 4 + 2] = color_get_blue(_grad[| i].value) / 255;
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_grad_color[i * 4 + 3] = 1;
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_grad_time[i] = _grad[| i].time;
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}
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if(ds_list_empty(_grad)) {
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draw_sprite_stretched(s_fx_pixel, 0, _x, _y, _w, _h)
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} else {
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shader_set(sh_gradient_display);
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shader_set_uniform_i(uniform_grad_blend, _int);
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shader_set_uniform_f_array(uniform_grad, _grad_color);
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shader_set_uniform_f_array(uniform_grad_time, _grad_time);
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shader_set_uniform_i(uniform_grad_key, ds_list_size(_grad));
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draw_sprite_stretched(s_fx_pixel, 0, _x, _y, _w, _h)
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shader_reset();
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}
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}
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function gradient_eval(_gradient, _time, _int = GRADIENT_INTER.smooth) {
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if(ds_list_size(_gradient) == 0) return c_white;
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if(ds_list_size(_gradient) == 1) return _gradient[| 0].value;
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for(var i = 0; i < ds_list_size(_gradient); i++) {
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var _key = _gradient[| i];
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if(_key.time >= _time) {
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if(i == 0)
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return _gradient[| 0].value;
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else {
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var c0 = _gradient[| i - 1].value;
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if(_int == GRADIENT_INTER.smooth) {
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var rat = (_time - _gradient[| i - 1].time) / (_gradient[| i].time - _gradient[| i - 1].time);
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var c1 = _gradient[| i].value;
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return merge_color(c0, c1, rat);
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} else if(_int == GRADIENT_INTER.none) {
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return c0;
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}
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}
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}
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}
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return _gradient[| ds_list_size(_gradient) - 1].value;
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}
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function gradient_add(_gradient, _addkey, _deleteDup) {
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if(ds_list_size(_gradient) == 0) {
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ds_list_add(_gradient, _addkey);
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return;
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}
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for(var i = 0; i < ds_list_size(_gradient); i++) {
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var _key = _gradient[| i];
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if(_key.time == _addkey.time) {
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if(_deleteDup)
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_key.value = _addkey.value;
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return;
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} else if(_key.time > _addkey.time) {
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ds_list_insert(_gradient, i, _addkey);
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return;
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}
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}
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ds_list_add(_gradient, _addkey);
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} |