65 lines
1.6 KiB
Plaintext
65 lines
1.6 KiB
Plaintext
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#TouhouDanmakufu[Stage]
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#ScriptVersion[3]
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#Title["SampleVS01"]
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#Text["SampleVS01: Basic Vertex Shaders"]
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@Initialize {
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TSample();
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}
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@MainLoop {
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if (GetKeyState(KEY_Q) == KEY_PUSH)
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CloseStgScene();
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yield;
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}
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task TSample() {
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let dir = GetCurrentScriptDirectory();
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let path = dir ~ "../default_system/img/Default_Background_IceMountain_Spell01.png";
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let obj = ObjPrim_Create(OBJ_PRIMITIVE_2D);
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Obj_SetRenderPriorityI(obj, 23);
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ObjPrim_SetPrimitiveType(obj, PRIMITIVE_TRIANGLESTRIP);
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ObjPrim_SetTexture(obj, path);
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//Please do not actually use 10000 vertices
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let VC = 5000;
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ObjPrim_SetVertexCount(obj, VC * 2);
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ObjRender_SetPosition(obj, 192, 224, 1);
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ascent (i in 0..VC) {
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let v_angle = 360 / (VC - 1) * i;
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let tex_v = 1 / (VC - 1) * i;
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ObjPrim_SetVertexPosition(obj, i * 2, 0, 0, 1);
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ObjPrim_SetVertexPosition(obj, i * 2 + 1, 240 * cos(v_angle), 240 * sin(v_angle), 1);
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ObjPrim_SetVertexUV(obj, i * 2, 0, tex_v);
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ObjPrim_SetVertexUV(obj, i * 2 + 1, 1, tex_v);
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}
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//Enables vertex shader rendering.
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//If this is set to true and a vertex+pixel shader isn't used, rendering will always fail.
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ObjRender_SetVertexShaderRenderingMode(obj, true);
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ObjShader_SetShaderF(obj, dir ~ "SampleVS01_HLSL.txt");
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ObjShader_SetTechnique(obj, "Render");
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let t = 0;
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while (true) {
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ObjShader_SetFloat(obj, "frame_", t);
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/*
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//Equivalent to these
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ascent(i in 0..VC){
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let tex_v = 1 / (VC - 1) * i;
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ObjPrim_SetVertexUV(obj, i * 2, 0 - t, tex_v);
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ObjPrim_SetVertexUV(obj, i * 2 + 1, 1 - t, tex_v);
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}
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*/
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t += 0.006;
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t %= 1;
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yield;
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}
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}
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